Home / 87,001.27-130,502.67-34,410.74

Finding the Fourth Proportional to 87,001.27, 130,502.67 and 34,410.74

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Solution

The fourth proportional to 87,001.27, 130,502.67 and 34,410.74 is: 51,616.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,001.27 : 130,502.67 = 34,410.74 : x
  2. Step 2: Convert to fraction form
    87,001.27/130,502.67 = 34,410.74/x
  3. Step 3: Cross multiply
    87,001.27x = 130,502.67 × 34,410.74
  4. Step 4: Simplify right side
    87,001.27x = 4,490,693,643.89
  5. Step 5: Solve for x
    x = 4,490,693,643.89/87,001.27
  6. Step 6: Final answer
    x = 51,616.42

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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.