Home / 80,839.98-121,099.23-63,227.34

Finding the Fourth Proportional to 80,839.98, 121,099.23 and 63,227.34

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Solution

The fourth proportional to 80,839.98, 121,099.23 and 63,227.34 is: 94,715.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,839.98 : 121,099.23 = 63,227.34 : x
  2. Step 2: Convert to fraction form
    80,839.98/121,099.23 = 63,227.34/x
  3. Step 3: Cross multiply
    80,839.98x = 121,099.23 × 63,227.34
  4. Step 4: Simplify right side
    80,839.98x = 7,656,782,188.95
  5. Step 5: Solve for x
    x = 7,656,782,188.95/80,839.98
  6. Step 6: Final answer
    x = 94,715.29

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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.