Home / 87,970.50-131,873.76-34,691.40

Finding the Fourth Proportional to 87,970.50, 131,873.76 and 34,691.40

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Solution

The fourth proportional to 87,970.50, 131,873.76 and 34,691.40 is: 52,004.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,970.50 : 131,873.76 = 34,691.40 : x
  2. Step 2: Convert to fraction form
    87,970.50/131,873.76 = 34,691.40/x
  3. Step 3: Cross multiply
    87,970.50x = 131,873.76 × 34,691.40
  4. Step 4: Simplify right side
    87,970.50x = 4,574,885,357.66
  5. Step 5: Solve for x
    x = 4,574,885,357.66/87,970.50
  6. Step 6: Final answer
    x = 52,004.77

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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.