Home / 87,623.40-131,387.10-43,152.36

Finding the Fourth Proportional to 87,623.40, 131,387.10 and 43,152.36

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Solution

The fourth proportional to 87,623.40, 131,387.10 and 43,152.36 is: 64,704.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,623.40 : 131,387.10 = 43,152.36 : x
  2. Step 2: Convert to fraction form
    87,623.40/131,387.10 = 43,152.36/x
  3. Step 3: Cross multiply
    87,623.40x = 131,387.10 × 43,152.36
  4. Step 4: Simplify right side
    87,623.40x = 5,669,663,438.56
  5. Step 5: Solve for x
    x = 5,669,663,438.56/87,623.40
  6. Step 6: Final answer
    x = 64,704.90

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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.