Home / 71,393.20-98,521.14-39,561.82

Finding the Fourth Proportional to 71,393.20, 98,521.14 and 39,561.82

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Solution

The fourth proportional to 71,393.20, 98,521.14 and 39,561.82 is: 54,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,393.20 : 98,521.14 = 39,561.82 : x
  2. Step 2: Convert to fraction form
    71,393.20/98,521.14 = 39,561.82/x
  3. Step 3: Cross multiply
    71,393.20x = 98,521.14 × 39,561.82
  4. Step 4: Simplify right side
    71,393.20x = 3,897,675,606.87
  5. Step 5: Solve for x
    x = 3,897,675,606.87/71,393.20
  6. Step 6: Final answer
    x = 54,594.49

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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.