Home / 87,331.52-130,887.60-37,352.80

Finding the Fourth Proportional to 87,331.52, 130,887.60 and 37,352.80

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Solution

The fourth proportional to 87,331.52, 130,887.60 and 37,352.80 is: 55,982.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,331.52 : 130,887.60 = 37,352.80 : x
  2. Step 2: Convert to fraction form
    87,331.52/130,887.60 = 37,352.80/x
  3. Step 3: Cross multiply
    87,331.52x = 130,887.60 × 37,352.80
  4. Step 4: Simplify right side
    87,331.52x = 4,889,018,345.28
  5. Step 5: Solve for x
    x = 4,889,018,345.28/87,331.52
  6. Step 6: Final answer
    x = 55,982.29

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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.