Home / 67,330.53-100,972.18-36,929.56

Finding the Fourth Proportional to 67,330.53, 100,972.18 and 36,929.56

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Solution

The fourth proportional to 67,330.53, 100,972.18 and 36,929.56 is: 55,381.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,330.53 : 100,972.18 = 36,929.56 : x
  2. Step 2: Convert to fraction form
    67,330.53/100,972.18 = 36,929.56/x
  3. Step 3: Cross multiply
    67,330.53x = 100,972.18 × 36,929.56
  4. Step 4: Simplify right side
    67,330.53x = 3,728,858,179.64
  5. Step 5: Solve for x
    x = 3,728,858,179.64/67,330.53
  6. Step 6: Final answer
    x = 55,381.39

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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.