Home / 91,679.08-137,531.80-34,773.92

Finding the Fourth Proportional to 91,679.08, 137,531.80 and 34,773.92

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Solution

The fourth proportional to 91,679.08, 137,531.80 and 34,773.92 is: 52,165.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,679.08 : 137,531.80 = 34,773.92 : x
  2. Step 2: Convert to fraction form
    91,679.08/137,531.80 = 34,773.92/x
  3. Step 3: Cross multiply
    91,679.08x = 137,531.80 × 34,773.92
  4. Step 4: Simplify right side
    91,679.08x = 4,782,519,810.66
  5. Step 5: Solve for x
    x = 4,782,519,810.66/91,679.08
  6. Step 6: Final answer
    x = 52,165.88

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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.