Home / 71,944.28-99,283.11-40,113.18

Finding the Fourth Proportional to 71,944.28, 99,283.11 and 40,113.18

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Solution

The fourth proportional to 71,944.28, 99,283.11 and 40,113.18 is: 55,356.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,944.28 : 99,283.11 = 40,113.18 : x
  2. Step 2: Convert to fraction form
    71,944.28/99,283.11 = 40,113.18/x
  3. Step 3: Cross multiply
    71,944.28x = 99,283.11 × 40,113.18
  4. Step 4: Simplify right side
    71,944.28x = 3,982,561,262.39
  5. Step 5: Solve for x
    x = 3,982,561,262.39/71,944.28
  6. Step 6: Final answer
    x = 55,356.19

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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.