Home / 87,959.71-131,939.51-35,356.89

Finding the Fourth Proportional to 87,959.71, 131,939.51 and 35,356.89

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Solution

The fourth proportional to 87,959.71, 131,939.51 and 35,356.89 is: 53,035.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,959.71 : 131,939.51 = 35,356.89 : x
  2. Step 2: Convert to fraction form
    87,959.71/131,939.51 = 35,356.89/x
  3. Step 3: Cross multiply
    87,959.71x = 131,939.51 × 35,356.89
  4. Step 4: Simplify right side
    87,959.71x = 4,664,970,741.72
  5. Step 5: Solve for x
    x = 4,664,970,741.72/87,959.71
  6. Step 6: Final answer
    x = 53,035.31

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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.