Home / 95,108.71-142,647.11-31,921.72

Finding the Fourth Proportional to 95,108.71, 142,647.11 and 31,921.72

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Solution

The fourth proportional to 95,108.71, 142,647.11 and 31,921.72 is: 47,877.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,108.71 : 142,647.11 = 31,921.72 : x
  2. Step 2: Convert to fraction form
    95,108.71/142,647.11 = 31,921.72/x
  3. Step 3: Cross multiply
    95,108.71x = 142,647.11 × 31,921.72
  4. Step 4: Simplify right side
    95,108.71x = 4,553,541,104.23
  5. Step 5: Solve for x
    x = 4,553,541,104.23/95,108.71
  6. Step 6: Final answer
    x = 47,877.22

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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.