Home / 45,061.92-62,207.20-29,979.68

Finding the Fourth Proportional to 45,061.92, 62,207.20 and 29,979.68

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Solution

The fourth proportional to 45,061.92, 62,207.20 and 29,979.68 is: 41,386.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,061.92 : 62,207.20 = 29,979.68 : x
  2. Step 2: Convert to fraction form
    45,061.92/62,207.20 = 29,979.68/x
  3. Step 3: Cross multiply
    45,061.92x = 62,207.20 × 29,979.68
  4. Step 4: Simplify right side
    45,061.92x = 1,864,951,949.70
  5. Step 5: Solve for x
    x = 1,864,951,949.70/45,061.92
  6. Step 6: Final answer
    x = 41,386.43

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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.