Home / 66,267.74-91,414.62-39,391.13

Finding the Fourth Proportional to 66,267.74, 91,414.62 and 39,391.13

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Solution

The fourth proportional to 66,267.74, 91,414.62 and 39,391.13 is: 54,339.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,267.74 : 91,414.62 = 39,391.13 : x
  2. Step 2: Convert to fraction form
    66,267.74/91,414.62 = 39,391.13/x
  3. Step 3: Cross multiply
    66,267.74x = 91,414.62 × 39,391.13
  4. Step 4: Simplify right side
    66,267.74x = 3,600,924,723.25
  5. Step 5: Solve for x
    x = 3,600,924,723.25/66,267.74
  6. Step 6: Final answer
    x = 54,339.03

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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.