Home / 89,747.28-134,635.68-33,606.72

Finding the Fourth Proportional to 89,747.28, 134,635.68 and 33,606.72

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Solution

The fourth proportional to 89,747.28, 134,635.68 and 33,606.72 is: 50,415.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,747.28 : 134,635.68 = 33,606.72 : x
  2. Step 2: Convert to fraction form
    89,747.28/134,635.68 = 33,606.72/x
  3. Step 3: Cross multiply
    89,747.28x = 134,635.68 × 33,606.72
  4. Step 4: Simplify right side
    89,747.28x = 4,524,663,599.77
  5. Step 5: Solve for x
    x = 4,524,663,599.77/89,747.28
  6. Step 6: Final answer
    x = 50,415.61

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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.