Home / 77,704.62-116,306.28-40,213.11

Finding the Fourth Proportional to 77,704.62, 116,306.28 and 40,213.11

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Solution

The fourth proportional to 77,704.62, 116,306.28 and 40,213.11 is: 60,189.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,704.62 : 116,306.28 = 40,213.11 : x
  2. Step 2: Convert to fraction form
    77,704.62/116,306.28 = 40,213.11/x
  3. Step 3: Cross multiply
    77,704.62x = 116,306.28 × 40,213.11
  4. Step 4: Simplify right side
    77,704.62x = 4,677,037,231.33
  5. Step 5: Solve for x
    x = 4,677,037,231.33/77,704.62
  6. Step 6: Final answer
    x = 60,189.95

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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.