Home / 91,520.73-137,302.62-29,191.23

Finding the Fourth Proportional to 91,520.73, 137,302.62 and 29,191.23

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Solution

The fourth proportional to 91,520.73, 137,302.62 and 29,191.23 is: 43,793.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,520.73 : 137,302.62 = 29,191.23 : x
  2. Step 2: Convert to fraction form
    91,520.73/137,302.62 = 29,191.23/x
  3. Step 3: Cross multiply
    91,520.73x = 137,302.62 × 29,191.23
  4. Step 4: Simplify right side
    91,520.73x = 4,008,032,360.02
  5. Step 5: Solve for x
    x = 4,008,032,360.02/91,520.73
  6. Step 6: Final answer
    x = 43,793.71

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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.