Home / 89,610.75-123,671.07-49,332.69

Finding the Fourth Proportional to 89,610.75, 123,671.07 and 49,332.69

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Solution

The fourth proportional to 89,610.75, 123,671.07 and 49,332.69 is: 68,083.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,610.75 : 123,671.07 = 49,332.69 : x
  2. Step 2: Convert to fraction form
    89,610.75/123,671.07 = 49,332.69/x
  3. Step 3: Cross multiply
    89,610.75x = 123,671.07 × 49,332.69
  4. Step 4: Simplify right side
    89,610.75x = 6,101,026,558.28
  5. Step 5: Solve for x
    x = 6,101,026,558.28/89,610.75
  6. Step 6: Final answer
    x = 68,083.65

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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.