Home / 90,565.03-135,803.37-27,372.97

Finding the Fourth Proportional to 90,565.03, 135,803.37 and 27,372.97

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Solution

The fourth proportional to 90,565.03, 135,803.37 and 27,372.97 is: 41,046.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,565.03 : 135,803.37 = 27,372.97 : x
  2. Step 2: Convert to fraction form
    90,565.03/135,803.37 = 27,372.97/x
  3. Step 3: Cross multiply
    90,565.03x = 135,803.37 × 27,372.97
  4. Step 4: Simplify right side
    90,565.03x = 3,717,341,572.91
  5. Step 5: Solve for x
    x = 3,717,341,572.91/90,565.03
  6. Step 6: Final answer
    x = 41,046.10

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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.