Home / 92,391.12-137,633.22-86,654.16

Finding the Fourth Proportional to 92,391.12, 137,633.22 and 86,654.16

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Solution

The fourth proportional to 92,391.12, 137,633.22 and 86,654.16 is: 129,086.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,391.12 : 137,633.22 = 86,654.16 : x
  2. Step 2: Convert to fraction form
    92,391.12/137,633.22 = 86,654.16/x
  3. Step 3: Cross multiply
    92,391.12x = 137,633.22 × 86,654.16
  4. Step 4: Simplify right side
    92,391.12x = 11,926,491,067.20
  5. Step 5: Solve for x
    x = 11,926,491,067.20/92,391.12
  6. Step 6: Final answer
    x = 129,086.98

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.