Home / 84,475.26-126,755.87-52,879.91

Finding the Fourth Proportional to 84,475.26, 126,755.87 and 52,879.91

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Solution

The fourth proportional to 84,475.26, 126,755.87 and 52,879.91 is: 79,346.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,475.26 : 126,755.87 = 52,879.91 : x
  2. Step 2: Convert to fraction form
    84,475.26/126,755.87 = 52,879.91/x
  3. Step 3: Cross multiply
    84,475.26x = 126,755.87 × 52,879.91
  4. Step 4: Simplify right side
    84,475.26x = 6,702,838,099.39
  5. Step 5: Solve for x
    x = 6,702,838,099.39/84,475.26
  6. Step 6: Final answer
    x = 79,346.76

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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.