Home / 71,882.06-99,197.89-39,617.82

Finding the Fourth Proportional to 71,882.06, 99,197.89 and 39,617.82

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Solution

The fourth proportional to 71,882.06, 99,197.89 and 39,617.82 is: 54,672.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882.06 : 99,197.89 = 39,617.82 : x
  2. Step 2: Convert to fraction form
    71,882.06/99,197.89 = 39,617.82/x
  3. Step 3: Cross multiply
    71,882.06x = 99,197.89 × 39,617.82
  4. Step 4: Simplify right side
    71,882.06x = 3,930,004,051.36
  5. Step 5: Solve for x
    x = 3,930,004,051.36/71,882.06
  6. Step 6: Final answer
    x = 54,672.95

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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.