Home / 82,472.04-123,720.21-29,869.22

Finding the Fourth Proportional to 82,472.04, 123,720.21 and 29,869.22

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Solution

The fourth proportional to 82,472.04, 123,720.21 and 29,869.22 is: 44,808.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,472.04 : 123,720.21 = 29,869.22 : x
  2. Step 2: Convert to fraction form
    82,472.04/123,720.21 = 29,869.22/x
  3. Step 3: Cross multiply
    82,472.04x = 123,720.21 × 29,869.22
  4. Step 4: Simplify right side
    82,472.04x = 3,695,426,480.24
  5. Step 5: Solve for x
    x = 3,695,426,480.24/82,472.04
  6. Step 6: Final answer
    x = 44,808.23

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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.