Home / 80,964.62-111,733.80-45,156.14

Finding the Fourth Proportional to 80,964.62, 111,733.80 and 45,156.14

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Solution

The fourth proportional to 80,964.62, 111,733.80 and 45,156.14 is: 62,316.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,964.62 : 111,733.80 = 45,156.14 : x
  2. Step 2: Convert to fraction form
    80,964.62/111,733.80 = 45,156.14/x
  3. Step 3: Cross multiply
    80,964.62x = 111,733.80 × 45,156.14
  4. Step 4: Simplify right side
    80,964.62x = 5,045,467,115.53
  5. Step 5: Solve for x
    x = 5,045,467,115.53/80,964.62
  6. Step 6: Final answer
    x = 62,316.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.