Home / 84,126.82-126,373.48-50,862.56

Finding the Fourth Proportional to 84,126.82, 126,373.48 and 50,862.56

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Solution

The fourth proportional to 84,126.82, 126,373.48 and 50,862.56 is: 76,404.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,126.82 : 126,373.48 = 50,862.56 : x
  2. Step 2: Convert to fraction form
    84,126.82/126,373.48 = 50,862.56/x
  3. Step 3: Cross multiply
    84,126.82x = 126,373.48 × 50,862.56
  4. Step 4: Simplify right side
    84,126.82x = 6,427,678,708.91
  5. Step 5: Solve for x
    x = 6,427,678,708.91/84,126.82
  6. Step 6: Final answer
    x = 76,404.63

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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.