Home / 89,201.75-123,079.14-51,454.13

Finding the Fourth Proportional to 89,201.75, 123,079.14 and 51,454.13

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Solution

The fourth proportional to 89,201.75, 123,079.14 and 51,454.13 is: 70,995.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,201.75 : 123,079.14 = 51,454.13 : x
  2. Step 2: Convert to fraction form
    89,201.75/123,079.14 = 51,454.13/x
  3. Step 3: Cross multiply
    89,201.75x = 123,079.14 × 51,454.13
  4. Step 4: Simplify right side
    89,201.75x = 6,332,930,069.85
  5. Step 5: Solve for x
    x = 6,332,930,069.85/89,201.75
  6. Step 6: Final answer
    x = 70,995.58

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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.