Home / 75,932.20-113,898.30-36,479.80

Finding the Fourth Proportional to 75,932.20, 113,898.30 and 36,479.80

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Solution

The fourth proportional to 75,932.20, 113,898.30 and 36,479.80 is: 54,719.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,932.20 : 113,898.30 = 36,479.80 : x
  2. Step 2: Convert to fraction form
    75,932.20/113,898.30 = 36,479.80/x
  3. Step 3: Cross multiply
    75,932.20x = 113,898.30 × 36,479.80
  4. Step 4: Simplify right side
    75,932.20x = 4,154,987,204.34
  5. Step 5: Solve for x
    x = 4,154,987,204.34/75,932.20
  6. Step 6: Final answer
    x = 54,719.70

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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.