Home / 74,320.10-102,532.55-42,471.92

Finding the Fourth Proportional to 74,320.10, 102,532.55 and 42,471.92

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Solution

The fourth proportional to 74,320.10, 102,532.55 and 42,471.92 is: 58,594.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,320.10 : 102,532.55 = 42,471.92 : x
  2. Step 2: Convert to fraction form
    74,320.10/102,532.55 = 42,471.92/x
  3. Step 3: Cross multiply
    74,320.10x = 102,532.55 × 42,471.92
  4. Step 4: Simplify right side
    74,320.10x = 4,354,753,535.97
  5. Step 5: Solve for x
    x = 4,354,753,535.97/74,320.10
  6. Step 6: Final answer
    x = 58,594.56

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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.