Home / 71,904.92-99,228.94-40,073.18

Finding the Fourth Proportional to 71,904.92, 99,228.94 and 40,073.18

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Solution

The fourth proportional to 71,904.92, 99,228.94 and 40,073.18 is: 55,301.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,904.92 : 99,228.94 = 40,073.18 : x
  2. Step 2: Convert to fraction form
    71,904.92/99,228.94 = 40,073.18/x
  3. Step 3: Cross multiply
    71,904.92x = 99,228.94 × 40,073.18
  4. Step 4: Simplify right side
    71,904.92x = 3,976,419,173.83
  5. Step 5: Solve for x
    x = 3,976,419,173.83/71,904.92
  6. Step 6: Final answer
    x = 55,301.07

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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.