Home / 99,135.72-148,392.54-52,246.44

Finding the Fourth Proportional to 99,135.72, 148,392.54 and 52,246.44

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Solution

The fourth proportional to 99,135.72, 148,392.54 and 52,246.44 is: 78,205.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,135.72 : 148,392.54 = 52,246.44 : x
  2. Step 2: Convert to fraction form
    99,135.72/148,392.54 = 52,246.44/x
  3. Step 3: Cross multiply
    99,135.72x = 148,392.54 × 52,246.44
  4. Step 4: Simplify right side
    99,135.72x = 7,752,981,937.56
  5. Step 5: Solve for x
    x = 7,752,981,937.56/99,135.72
  6. Step 6: Final answer
    x = 78,205.74

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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.