Home / 80,932.16-121,412.12-24,770.88

Finding the Fourth Proportional to 80,932.16, 121,412.12 and 24,770.88

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Solution

The fourth proportional to 80,932.16, 121,412.12 and 24,770.88 is: 37,160.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,932.16 : 121,412.12 = 24,770.88 : x
  2. Step 2: Convert to fraction form
    80,932.16/121,412.12 = 24,770.88/x
  3. Step 3: Cross multiply
    80,932.16x = 121,412.12 × 24,770.88
  4. Step 4: Simplify right side
    80,932.16x = 3,007,484,931.21
  5. Step 5: Solve for x
    x = 3,007,484,931.21/80,932.16
  6. Step 6: Final answer
    x = 37,160.57

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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.