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Finding the Fourth Proportional to 82,054.52, 113,235.26 and 44,328.76

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Solution

The fourth proportional to 82,054.52, 113,235.26 and 44,328.76 is: 61,173.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,054.52 : 113,235.26 = 44,328.76 : x
  2. Step 2: Convert to fraction form
    82,054.52/113,235.26 = 44,328.76/x
  3. Step 3: Cross multiply
    82,054.52x = 113,235.26 × 44,328.76
  4. Step 4: Simplify right side
    82,054.52x = 5,019,578,664.08
  5. Step 5: Solve for x
    x = 5,019,578,664.08/82,054.52
  6. Step 6: Final answer
    x = 61,173.70

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Half scale
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Double scale
Find fourth proportional to 82,055.52, 113,236.64 and 44,329.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.