Home / 99,183.72-148,521.60-54,761.16

Finding the Fourth Proportional to 99,183.72, 148,521.60 and 54,761.16

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Solution

The fourth proportional to 99,183.72, 148,521.60 and 54,761.16 is: 82,001.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,183.72 : 148,521.60 = 54,761.16 : x
  2. Step 2: Convert to fraction form
    99,183.72/148,521.60 = 54,761.16/x
  3. Step 3: Cross multiply
    99,183.72x = 148,521.60 × 54,761.16
  4. Step 4: Simplify right side
    99,183.72x = 8,133,215,101.06
  5. Step 5: Solve for x
    x = 8,133,215,101.06/99,183.72
  6. Step 6: Final answer
    x = 82,001.51

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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.