Home / 91,836.08-137,624.52-39,227.12

Finding the Fourth Proportional to 91,836.08, 137,624.52 and 39,227.12

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Solution

The fourth proportional to 91,836.08, 137,624.52 and 39,227.12 is: 58,785.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,836.08 : 137,624.52 = 39,227.12 : x
  2. Step 2: Convert to fraction form
    91,836.08/137,624.52 = 39,227.12/x
  3. Step 3: Cross multiply
    91,836.08x = 137,624.52 × 39,227.12
  4. Step 4: Simplify right side
    91,836.08x = 5,398,613,560.98
  5. Step 5: Solve for x
    x = 5,398,613,560.98/91,836.08
  6. Step 6: Final answer
    x = 58,785.32

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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.