Home / 89,617.88-134,426.82-27,288.38

Finding the Fourth Proportional to 89,617.88, 134,426.82 and 27,288.38

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Solution

The fourth proportional to 89,617.88, 134,426.82 and 27,288.38 is: 40,932.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,617.88 : 134,426.82 = 27,288.38 : x
  2. Step 2: Convert to fraction form
    89,617.88/134,426.82 = 27,288.38/x
  3. Step 3: Cross multiply
    89,617.88x = 134,426.82 × 27,288.38
  4. Step 4: Simplify right side
    89,617.88x = 3,668,290,146.35
  5. Step 5: Solve for x
    x = 3,668,290,146.35/89,617.88
  6. Step 6: Final answer
    x = 40,932.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.