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Finding the Fourth Proportional to 71,453.66, 98,614.17 and 41,247.08

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Solution

The fourth proportional to 71,453.66, 98,614.17 and 41,247.08 is: 56,925.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,453.66 : 98,614.17 = 41,247.08 : x
  2. Step 2: Convert to fraction form
    71,453.66/98,614.17 = 41,247.08/x
  3. Step 3: Cross multiply
    71,453.66x = 98,614.17 × 41,247.08
  4. Step 4: Simplify right side
    71,453.66x = 4,067,546,559.12
  5. Step 5: Solve for x
    x = 4,067,546,559.12/71,453.66
  6. Step 6: Final answer
    x = 56,925.66

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.