Home / 71,288.26-98,375.84-40,660.66

Finding the Fourth Proportional to 71,288.26, 98,375.84 and 40,660.66

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Solution

The fourth proportional to 71,288.26, 98,375.84 and 40,660.66 is: 56,110.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,288.26 : 98,375.84 = 40,660.66 : x
  2. Step 2: Convert to fraction form
    71,288.26/98,375.84 = 40,660.66/x
  3. Step 3: Cross multiply
    71,288.26x = 98,375.84 × 40,660.66
  4. Step 4: Simplify right side
    71,288.26x = 4,000,026,285.69
  5. Step 5: Solve for x
    x = 4,000,026,285.69/71,288.26
  6. Step 6: Final answer
    x = 56,110.59

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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.