Home / 89,759.13-123,867.06-48,923.20

Finding the Fourth Proportional to 89,759.13, 123,867.06 and 48,923.20

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Solution

The fourth proportional to 89,759.13, 123,867.06 and 48,923.20 is: 67,513.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,759.13 : 123,867.06 = 48,923.20 : x
  2. Step 2: Convert to fraction form
    89,759.13/123,867.06 = 48,923.20/x
  3. Step 3: Cross multiply
    89,759.13x = 123,867.06 × 48,923.20
  4. Step 4: Simplify right side
    89,759.13x = 6,059,972,949.79
  5. Step 5: Solve for x
    x = 6,059,972,949.79/89,759.13
  6. Step 6: Final answer
    x = 67,513.72

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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.