Home / 91,372.59-137,024.33-38,806.83

Finding the Fourth Proportional to 91,372.59, 137,024.33 and 38,806.83

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Solution

The fourth proportional to 91,372.59, 137,024.33 and 38,806.83 is: 58,195.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,372.59 : 137,024.33 = 38,806.83 : x
  2. Step 2: Convert to fraction form
    91,372.59/137,024.33 = 38,806.83/x
  3. Step 3: Cross multiply
    91,372.59x = 137,024.33 × 38,806.83
  4. Step 4: Simplify right side
    91,372.59x = 5,317,479,686.14
  5. Step 5: Solve for x
    x = 5,317,479,686.14/91,372.59
  6. Step 6: Final answer
    x = 58,195.57

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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.