Home / 98,542.67-147,775.66-31,966.70

Finding the Fourth Proportional to 98,542.67, 147,775.66 and 31,966.70

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Solution

The fourth proportional to 98,542.67, 147,775.66 and 31,966.70 is: 47,937.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,542.67 : 147,775.66 = 31,966.70 : x
  2. Step 2: Convert to fraction form
    98,542.67/147,775.66 = 31,966.70/x
  3. Step 3: Cross multiply
    98,542.67x = 147,775.66 × 31,966.70
  4. Step 4: Simplify right side
    98,542.67x = 4,723,900,190.52
  5. Step 5: Solve for x
    x = 4,723,900,190.52/98,542.67
  6. Step 6: Final answer
    x = 47,937.61

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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.