Home / 89,853.70-134,780.55-27,516.10

Finding the Fourth Proportional to 89,853.70, 134,780.55 and 27,516.10

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Solution

The fourth proportional to 89,853.70, 134,780.55 and 27,516.10 is: 41,274.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,853.70 : 134,780.55 = 27,516.10 : x
  2. Step 2: Convert to fraction form
    89,853.70/134,780.55 = 27,516.10/x
  3. Step 3: Cross multiply
    89,853.70x = 134,780.55 × 27,516.10
  4. Step 4: Simplify right side
    89,853.70x = 3,708,635,091.86
  5. Step 5: Solve for x
    x = 3,708,635,091.86/89,853.70
  6. Step 6: Final answer
    x = 41,274.15

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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.