Home / 87,125.83-130,358.60-51,606.20

Finding the Fourth Proportional to 87,125.83, 130,358.60 and 51,606.20

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Solution

The fourth proportional to 87,125.83, 130,358.60 and 51,606.20 is: 77,213.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,125.83 : 130,358.60 = 51,606.20 : x
  2. Step 2: Convert to fraction form
    87,125.83/130,358.60 = 51,606.20/x
  3. Step 3: Cross multiply
    87,125.83x = 130,358.60 × 51,606.20
  4. Step 4: Simplify right side
    87,125.83x = 6,727,312,244.71
  5. Step 5: Solve for x
    x = 6,727,312,244.71/87,125.83
  6. Step 6: Final answer
    x = 77,213.75

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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.