Home / 98,238.92-147,387.13-31,677.71

Finding the Fourth Proportional to 98,238.92, 147,387.13 and 31,677.71

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Solution

The fourth proportional to 98,238.92, 147,387.13 and 31,677.71 is: 47,525.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,238.92 : 147,387.13 = 31,677.71 : x
  2. Step 2: Convert to fraction form
    98,238.92/147,387.13 = 31,677.71/x
  3. Step 3: Cross multiply
    98,238.92x = 147,387.13 × 31,677.71
  4. Step 4: Simplify right side
    98,238.92x = 4,668,885,945.74
  5. Step 5: Solve for x
    x = 4,668,885,945.74/98,238.92
  6. Step 6: Final answer
    x = 47,525.83

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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.