Home / 89,855.64-123,993.84-49,570.92

Finding the Fourth Proportional to 89,855.64, 123,993.84 and 49,570.92

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Solution

The fourth proportional to 89,855.64, 123,993.84 and 49,570.92 is: 68,404.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,855.64 : 123,993.84 = 49,570.92 : x
  2. Step 2: Convert to fraction form
    89,855.64/123,993.84 = 49,570.92/x
  3. Step 3: Cross multiply
    89,855.64x = 123,993.84 × 49,570.92
  4. Step 4: Simplify right side
    89,855.64x = 6,146,488,723.13
  5. Step 5: Solve for x
    x = 6,146,488,723.13/89,855.64
  6. Step 6: Final answer
    x = 68,404.04

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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.