Home / 80,926.44-121,428.18-36,566.76

Finding the Fourth Proportional to 80,926.44, 121,428.18 and 36,566.76

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Solution

The fourth proportional to 80,926.44, 121,428.18 and 36,566.76 is: 54,867.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,926.44 : 121,428.18 = 36,566.76 : x
  2. Step 2: Convert to fraction form
    80,926.44/121,428.18 = 36,566.76/x
  3. Step 3: Cross multiply
    80,926.44x = 121,428.18 × 36,566.76
  4. Step 4: Simplify right side
    80,926.44x = 4,440,235,115.30
  5. Step 5: Solve for x
    x = 4,440,235,115.30/80,926.44
  6. Step 6: Final answer
    x = 54,867.55

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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.