Home / 90,981.12-125,552.24-50,694.02

Finding the Fourth Proportional to 90,981.12, 125,552.24 and 50,694.02

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Solution

The fourth proportional to 90,981.12, 125,552.24 and 50,694.02 is: 69,956.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,981.12 : 125,552.24 = 50,694.02 : x
  2. Step 2: Convert to fraction form
    90,981.12/125,552.24 = 50,694.02/x
  3. Step 3: Cross multiply
    90,981.12x = 125,552.24 × 50,694.02
  4. Step 4: Simplify right side
    90,981.12x = 6,364,747,765.60
  5. Step 5: Solve for x
    x = 6,364,747,765.60/90,981.12
  6. Step 6: Final answer
    x = 69,956.80

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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.