Home / 89,296.40-123,230.31-49,009.43

Finding the Fourth Proportional to 89,296.40, 123,230.31 and 49,009.43

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Solution

The fourth proportional to 89,296.40, 123,230.31 and 49,009.43 is: 67,633.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,296.40 : 123,230.31 = 49,009.43 : x
  2. Step 2: Convert to fraction form
    89,296.40/123,230.31 = 49,009.43/x
  3. Step 3: Cross multiply
    89,296.40x = 123,230.31 × 49,009.43
  4. Step 4: Simplify right side
    89,296.40x = 6,039,447,251.82
  5. Step 5: Solve for x
    x = 6,039,447,251.82/89,296.40
  6. Step 6: Final answer
    x = 67,633.71

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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.