Home / 62,439.14-86,139.88-40,934.04

Finding the Fourth Proportional to 62,439.14, 86,139.88 and 40,934.04

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Solution

The fourth proportional to 62,439.14, 86,139.88 and 40,934.04 is: 56,471.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,439.14 : 86,139.88 = 40,934.04 : x
  2. Step 2: Convert to fraction form
    62,439.14/86,139.88 = 40,934.04/x
  3. Step 3: Cross multiply
    62,439.14x = 86,139.88 × 40,934.04
  4. Step 4: Simplify right side
    62,439.14x = 3,526,053,191.18
  5. Step 5: Solve for x
    x = 3,526,053,191.18/62,439.14
  6. Step 6: Final answer
    x = 56,471.85

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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.