Home / 99,744.32-149,640.92-29,623.70

Finding the Fourth Proportional to 99,744.32, 149,640.92 and 29,623.70

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Solution

The fourth proportional to 99,744.32, 149,640.92 and 29,623.70 is: 44,442.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,744.32 : 149,640.92 = 29,623.70 : x
  2. Step 2: Convert to fraction form
    99,744.32/149,640.92 = 29,623.70/x
  3. Step 3: Cross multiply
    99,744.32x = 149,640.92 × 29,623.70
  4. Step 4: Simplify right side
    99,744.32x = 4,432,917,721.80
  5. Step 5: Solve for x
    x = 4,432,917,721.80/99,744.32
  6. Step 6: Final answer
    x = 44,442.81

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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.