Home / 89,789.16-134,670.78-27,442.92

Finding the Fourth Proportional to 89,789.16, 134,670.78 and 27,442.92

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Solution

The fourth proportional to 89,789.16, 134,670.78 and 27,442.92 is: 41,160.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,789.16 : 134,670.78 = 27,442.92 : x
  2. Step 2: Convert to fraction form
    89,789.16/134,670.78 = 27,442.92/x
  3. Step 3: Cross multiply
    89,789.16x = 134,670.78 × 27,442.92
  4. Step 4: Simplify right side
    89,789.16x = 3,695,759,441.88
  5. Step 5: Solve for x
    x = 3,695,759,441.88/89,789.16
  6. Step 6: Final answer
    x = 41,160.42

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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.