Home / 99,044.96-148,565.97-39,879.12

Finding the Fourth Proportional to 99,044.96, 148,565.97 and 39,879.12

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Solution

The fourth proportional to 99,044.96, 148,565.97 and 39,879.12 is: 59,818.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,044.96 : 148,565.97 = 39,879.12 : x
  2. Step 2: Convert to fraction form
    99,044.96/148,565.97 = 39,879.12/x
  3. Step 3: Cross multiply
    99,044.96x = 148,565.97 × 39,879.12
  4. Step 4: Simplify right side
    99,044.96x = 5,924,680,145.55
  5. Step 5: Solve for x
    x = 5,924,680,145.55/99,044.96
  6. Step 6: Final answer
    x = 59,818.09

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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.