Home / 89,474.39-123,461.28-51,227.90

Finding the Fourth Proportional to 89,474.39, 123,461.28 and 51,227.90

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Solution

The fourth proportional to 89,474.39, 123,461.28 and 51,227.90 is: 70,686.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,474.39 : 123,461.28 = 51,227.90 : x
  2. Step 2: Convert to fraction form
    89,474.39/123,461.28 = 51,227.90/x
  3. Step 3: Cross multiply
    89,474.39x = 123,461.28 × 51,227.90
  4. Step 4: Simplify right side
    89,474.39x = 6,324,662,105.71
  5. Step 5: Solve for x
    x = 6,324,662,105.71/89,474.39
  6. Step 6: Final answer
    x = 70,686.84

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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.