Home / 98,621.28-136,087.92-58,350.24

Finding the Fourth Proportional to 98,621.28, 136,087.92 and 58,350.24

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Solution

The fourth proportional to 98,621.28, 136,087.92 and 58,350.24 is: 80,517.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,621.28 : 136,087.92 = 58,350.24 : x
  2. Step 2: Convert to fraction form
    98,621.28/136,087.92 = 58,350.24/x
  3. Step 3: Cross multiply
    98,621.28x = 136,087.92 × 58,350.24
  4. Step 4: Simplify right side
    98,621.28x = 7,940,762,793.10
  5. Step 5: Solve for x
    x = 7,940,762,793.10/98,621.28
  6. Step 6: Final answer
    x = 80,517.74

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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.