Home / 71,882.47-99,198.21-41,685.72

Finding the Fourth Proportional to 71,882.47, 99,198.21 and 41,685.72

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Solution

The fourth proportional to 71,882.47, 99,198.21 and 41,685.72 is: 57,526.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,882.47 : 99,198.21 = 41,685.72 : x
  2. Step 2: Convert to fraction form
    71,882.47/99,198.21 = 41,685.72/x
  3. Step 3: Cross multiply
    71,882.47x = 99,198.21 × 41,685.72
  4. Step 4: Simplify right side
    71,882.47x = 4,135,148,206.36
  5. Step 5: Solve for x
    x = 4,135,148,206.36/71,882.47
  6. Step 6: Final answer
    x = 57,526.52

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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.