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Finding the Fourth Proportional to 71,935.93, 99,245.55 and 41,704.61

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Solution

The fourth proportional to 71,935.93, 99,245.55 and 41,704.61 is: 57,537.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,935.93 : 99,245.55 = 41,704.61 : x
  2. Step 2: Convert to fraction form
    71,935.93/99,245.55 = 41,704.61/x
  3. Step 3: Cross multiply
    71,935.93x = 99,245.55 × 41,704.61
  4. Step 4: Simplify right side
    71,935.93x = 4,138,996,617.15
  5. Step 5: Solve for x
    x = 4,138,996,617.15/71,935.93
  6. Step 6: Final answer
    x = 57,537.26

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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.