Home / 90,949.68-125,517.33-52,720.92

Finding the Fourth Proportional to 90,949.68, 125,517.33 and 52,720.92

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Solution

The fourth proportional to 90,949.68, 125,517.33 and 52,720.92 is: 72,758.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,949.68 : 125,517.33 = 52,720.92 : x
  2. Step 2: Convert to fraction form
    90,949.68/125,517.33 = 52,720.92/x
  3. Step 3: Cross multiply
    90,949.68x = 125,517.33 × 52,720.92
  4. Step 4: Simplify right side
    90,949.68x = 6,617,389,113.54
  5. Step 5: Solve for x
    x = 6,617,389,113.54/90,949.68
  6. Step 6: Final answer
    x = 72,758.79

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1.5x scale

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.