Home / 102,944.19-142,071.10-75,844.19

Finding the Fourth Proportional to 102,944.19, 142,071.10 and 75,844.19

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Solution

The fourth proportional to 102,944.19, 142,071.10 and 75,844.19 is: 104,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,944.19 : 142,071.10 = 75,844.19 : x
  2. Step 2: Convert to fraction form
    102,944.19/142,071.10 = 75,844.19/x
  3. Step 3: Cross multiply
    102,944.19x = 142,071.10 × 75,844.19
  4. Step 4: Simplify right side
    102,944.19x = 10,775,267,501.91
  5. Step 5: Solve for x
    x = 10,775,267,501.91/102,944.19
  6. Step 6: Final answer
    x = 104,670.96

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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.