Home / 89,793.18-123,920.14-49,506.85

Finding the Fourth Proportional to 89,793.18, 123,920.14 and 49,506.85

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Solution

The fourth proportional to 89,793.18, 123,920.14 and 49,506.85 is: 68,322.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,793.18 : 123,920.14 = 49,506.85 : x
  2. Step 2: Convert to fraction form
    89,793.18/123,920.14 = 49,506.85/x
  3. Step 3: Cross multiply
    89,793.18x = 123,920.14 × 49,506.85
  4. Step 4: Simplify right side
    89,793.18x = 6,134,895,782.96
  5. Step 5: Solve for x
    x = 6,134,895,782.96/89,793.18
  6. Step 6: Final answer
    x = 68,322.51

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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.