Home / 71,844.87-99,148.98-40,013.77

Finding the Fourth Proportional to 71,844.87, 99,148.98 and 40,013.77

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Solution

The fourth proportional to 71,844.87, 99,148.98 and 40,013.77 is: 55,220.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,844.87 : 99,148.98 = 40,013.77 : x
  2. Step 2: Convert to fraction form
    71,844.87/99,148.98 = 40,013.77/x
  3. Step 3: Cross multiply
    71,844.87x = 99,148.98 × 40,013.77
  4. Step 4: Simplify right side
    71,844.87x = 3,967,324,481.45
  5. Step 5: Solve for x
    x = 3,967,324,481.45/71,844.87
  6. Step 6: Final answer
    x = 55,220.71

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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.