Home / 87,452.79-120,684.29-49,727.04

Finding the Fourth Proportional to 87,452.79, 120,684.29 and 49,727.04

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Solution

The fourth proportional to 87,452.79, 120,684.29 and 49,727.04 is: 68,623.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,452.79 : 120,684.29 = 49,727.04 : x
  2. Step 2: Convert to fraction form
    87,452.79/120,684.29 = 49,727.04/x
  3. Step 3: Cross multiply
    87,452.79x = 120,684.29 × 49,727.04
  4. Step 4: Simplify right side
    87,452.79x = 6,001,272,516.20
  5. Step 5: Solve for x
    x = 6,001,272,516.20/87,452.79
  6. Step 6: Final answer
    x = 68,623.00

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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.