Home / 84,047.11-126,079.89-41,937.79

Finding the Fourth Proportional to 84,047.11, 126,079.89 and 41,937.79

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Solution

The fourth proportional to 84,047.11, 126,079.89 and 41,937.79 is: 62,911.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,047.11 : 126,079.89 = 41,937.79 : x
  2. Step 2: Convert to fraction form
    84,047.11/126,079.89 = 41,937.79/x
  3. Step 3: Cross multiply
    84,047.11x = 126,079.89 × 41,937.79
  4. Step 4: Simplify right side
    84,047.11x = 5,287,511,634.84
  5. Step 5: Solve for x
    x = 5,287,511,634.84/84,047.11
  6. Step 6: Final answer
    x = 62,911.29

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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.