Home / 89,778.24-123,893.19-51,544.04

Finding the Fourth Proportional to 89,778.24, 123,893.19 and 51,544.04

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Solution

The fourth proportional to 89,778.24, 123,893.19 and 51,544.04 is: 71,130.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,778.24 : 123,893.19 = 51,544.04 : x
  2. Step 2: Convert to fraction form
    89,778.24/123,893.19 = 51,544.04/x
  3. Step 3: Cross multiply
    89,778.24x = 123,893.19 × 51,544.04
  4. Step 4: Simplify right side
    89,778.24x = 6,385,954,921.62
  5. Step 5: Solve for x
    x = 6,385,954,921.62/89,778.24
  6. Step 6: Final answer
    x = 71,130.32

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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.