Home / 82,240.32-123,344.28-39,520.92

Finding the Fourth Proportional to 82,240.32, 123,344.28 and 39,520.92

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Solution

The fourth proportional to 82,240.32, 123,344.28 and 39,520.92 is: 59,273.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,240.32 : 123,344.28 = 39,520.92 : x
  2. Step 2: Convert to fraction form
    82,240.32/123,344.28 = 39,520.92/x
  3. Step 3: Cross multiply
    82,240.32x = 123,344.28 × 39,520.92
  4. Step 4: Simplify right side
    82,240.32x = 4,874,679,422.34
  5. Step 5: Solve for x
    x = 4,874,679,422.34/82,240.32
  6. Step 6: Final answer
    x = 59,273.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.