Home / 89,228.33-123,134.76-55,230.04

Finding the Fourth Proportional to 89,228.33, 123,134.76 and 55,230.04

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Solution

The fourth proportional to 89,228.33, 123,134.76 and 55,230.04 is: 76,217.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,228.33 : 123,134.76 = 55,230.04 : x
  2. Step 2: Convert to fraction form
    89,228.33/123,134.76 = 55,230.04/x
  3. Step 3: Cross multiply
    89,228.33x = 123,134.76 × 55,230.04
  4. Step 4: Simplify right side
    89,228.33x = 6,800,737,444.04
  5. Step 5: Solve for x
    x = 6,800,737,444.04/89,228.33
  6. Step 6: Final answer
    x = 76,217.25

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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.