Home / 80,749.92-121,131.04-24,594.78

Finding the Fourth Proportional to 80,749.92, 121,131.04 and 24,594.78

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Solution

The fourth proportional to 80,749.92, 121,131.04 and 24,594.78 is: 36,894.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,749.92 : 121,131.04 = 24,594.78 : x
  2. Step 2: Convert to fraction form
    80,749.92/121,131.04 = 24,594.78/x
  3. Step 3: Cross multiply
    80,749.92x = 121,131.04 × 24,594.78
  4. Step 4: Simplify right side
    80,749.92x = 2,979,191,279.97
  5. Step 5: Solve for x
    x = 2,979,191,279.97/80,749.92
  6. Step 6: Final answer
    x = 36,894.05

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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.