Home / 91,609.29-137,381.53-43,572.24

Finding the Fourth Proportional to 91,609.29, 137,381.53 and 43,572.24

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Solution

The fourth proportional to 91,609.29, 137,381.53 and 43,572.24 is: 65,342.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,609.29 : 137,381.53 = 43,572.24 : x
  2. Step 2: Convert to fraction form
    91,609.29/137,381.53 = 43,572.24/x
  3. Step 3: Cross multiply
    91,609.29x = 137,381.53 × 43,572.24
  4. Step 4: Simplify right side
    91,609.29x = 5,986,020,996.73
  5. Step 5: Solve for x
    x = 5,986,020,996.73/91,609.29
  6. Step 6: Final answer
    x = 65,342.95

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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.