Home / 89,251.74-123,166.71-51,546.78

Finding the Fourth Proportional to 89,251.74, 123,166.71 and 51,546.78

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Solution

The fourth proportional to 89,251.74, 123,166.71 and 51,546.78 is: 71,134.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,251.74 : 123,166.71 = 51,546.78 : x
  2. Step 2: Convert to fraction form
    89,251.74/123,166.71 = 51,546.78/x
  3. Step 3: Cross multiply
    89,251.74x = 123,166.71 × 51,546.78
  4. Step 4: Simplify right side
    89,251.74x = 6,348,847,303.69
  5. Step 5: Solve for x
    x = 6,348,847,303.69/89,251.74
  6. Step 6: Final answer
    x = 71,134.16

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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.