Home / 89,758.13-123,865.68-48,922.20

Finding the Fourth Proportional to 89,758.13, 123,865.68 and 48,922.20

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Solution

The fourth proportional to 89,758.13, 123,865.68 and 48,922.20 is: 67,512.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,758.13 : 123,865.68 = 48,922.20 : x
  2. Step 2: Convert to fraction form
    89,758.13/123,865.68 = 48,922.20/x
  3. Step 3: Cross multiply
    89,758.13x = 123,865.68 × 48,922.20
  4. Step 4: Simplify right side
    89,758.13x = 6,059,781,964.33
  5. Step 5: Solve for x
    x = 6,059,781,964.33/89,758.13
  6. Step 6: Final answer
    x = 67,512.35

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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.