Home / 63,721.59-95,614.53-45,121.15

Finding the Fourth Proportional to 63,721.59, 95,614.53 and 45,121.15

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Solution

The fourth proportional to 63,721.59, 95,614.53 and 45,121.15 is: 67,704.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.59 : 95,614.53 = 45,121.15 : x
  2. Step 2: Convert to fraction form
    63,721.59/95,614.53 = 45,121.15/x
  3. Step 3: Cross multiply
    63,721.59x = 95,614.53 × 45,121.15
  4. Step 4: Simplify right side
    63,721.59x = 4,314,237,500.62
  5. Step 5: Solve for x
    x = 4,314,237,500.62/63,721.59
  6. Step 6: Final answer
    x = 67,704.49

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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.