Home / 84,657.13-126,874.27-47,234.82

Finding the Fourth Proportional to 84,657.13, 126,874.27 and 47,234.82

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Solution

The fourth proportional to 84,657.13, 126,874.27 and 47,234.82 is: 70,790.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,657.13 : 126,874.27 = 47,234.82 : x
  2. Step 2: Convert to fraction form
    84,657.13/126,874.27 = 47,234.82/x
  3. Step 3: Cross multiply
    84,657.13x = 126,874.27 × 47,234.82
  4. Step 4: Simplify right side
    84,657.13x = 5,992,883,306.08
  5. Step 5: Solve for x
    x = 5,992,883,306.08/84,657.13
  6. Step 6: Final answer
    x = 70,790.06

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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.