Home / 84,581.20-126,699.56-40,073.04

Finding the Fourth Proportional to 84,581.20, 126,699.56 and 40,073.04

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Solution

The fourth proportional to 84,581.20, 126,699.56 and 40,073.04 is: 60,027.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,581.20 : 126,699.56 = 40,073.04 : x
  2. Step 2: Convert to fraction form
    84,581.20/126,699.56 = 40,073.04/x
  3. Step 3: Cross multiply
    84,581.20x = 126,699.56 × 40,073.04
  4. Step 4: Simplify right side
    84,581.20x = 5,077,236,535.86
  5. Step 5: Solve for x
    x = 5,077,236,535.86/84,581.20
  6. Step 6: Final answer
    x = 60,027.96

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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.