Home / 99,743.82-149,640.17-29,623.20

Finding the Fourth Proportional to 99,743.82, 149,640.17 and 29,623.20

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Solution

The fourth proportional to 99,743.82, 149,640.17 and 29,623.20 is: 44,442.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,743.82 : 149,640.17 = 29,623.20 : x
  2. Step 2: Convert to fraction form
    99,743.82/149,640.17 = 29,623.20/x
  3. Step 3: Cross multiply
    99,743.82x = 149,640.17 × 29,623.20
  4. Step 4: Simplify right side
    99,743.82x = 4,432,820,535.83
  5. Step 5: Solve for x
    x = 4,432,820,535.83/99,743.82
  6. Step 6: Final answer
    x = 44,442.06

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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.