Home / 52,260.92-72,118.86-28,387.06

Finding the Fourth Proportional to 52,260.92, 72,118.86 and 28,387.06

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Solution

The fourth proportional to 52,260.92, 72,118.86 and 28,387.06 is: 39,173.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,260.92 : 72,118.86 = 28,387.06 : x
  2. Step 2: Convert to fraction form
    52,260.92/72,118.86 = 28,387.06/x
  3. Step 3: Cross multiply
    52,260.92x = 72,118.86 × 28,387.06
  4. Step 4: Simplify right side
    52,260.92x = 2,047,242,405.95
  5. Step 5: Solve for x
    x = 2,047,242,405.95/52,260.92
  6. Step 6: Final answer
    x = 39,173.49

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Half scale
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Double scale
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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.