Home / 89,226.28-123,276.90-75,937.96

Finding the Fourth Proportional to 89,226.28, 123,276.90 and 75,937.96

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Solution

The fourth proportional to 89,226.28, 123,276.90 and 75,937.96 is: 104,917.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,226.28 : 123,276.90 = 75,937.96 : x
  2. Step 2: Convert to fraction form
    89,226.28/123,276.90 = 75,937.96/x
  3. Step 3: Cross multiply
    89,226.28x = 123,276.90 × 75,937.96
  4. Step 4: Simplify right side
    89,226.28x = 9,361,396,301.12
  5. Step 5: Solve for x
    x = 9,361,396,301.12/89,226.28
  6. Step 6: Final answer
    x = 104,917.48

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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.