Home / 87,555.34-131,364.04-43,213.22

Finding the Fourth Proportional to 87,555.34, 131,364.04 and 43,213.22

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Solution

The fourth proportional to 87,555.34, 131,364.04 and 43,213.22 is: 64,835.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,555.34 : 131,364.04 = 43,213.22 : x
  2. Step 2: Convert to fraction form
    87,555.34/131,364.04 = 43,213.22/x
  3. Step 3: Cross multiply
    87,555.34x = 131,364.04 × 43,213.22
  4. Step 4: Simplify right side
    87,555.34x = 5,676,663,160.61
  5. Step 5: Solve for x
    x = 5,676,663,160.61/87,555.34
  6. Step 6: Final answer
    x = 64,835.14

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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.