Home / 80,686.32-121,004.52-24,524.16

Finding the Fourth Proportional to 80,686.32, 121,004.52 and 24,524.16

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Solution

The fourth proportional to 80,686.32, 121,004.52 and 24,524.16 is: 36,778.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.32 : 121,004.52 = 24,524.16 : x
  2. Step 2: Convert to fraction form
    80,686.32/121,004.52 = 24,524.16/x
  3. Step 3: Cross multiply
    80,686.32x = 121,004.52 × 24,524.16
  4. Step 4: Simplify right side
    80,686.32x = 2,967,534,209.20
  5. Step 5: Solve for x
    x = 2,967,534,209.20/80,686.32
  6. Step 6: Final answer
    x = 36,778.65

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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.