Home / 99,144.80-148,717.20-29,024.12

Finding the Fourth Proportional to 99,144.80, 148,717.20 and 29,024.12

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Solution

The fourth proportional to 99,144.80, 148,717.20 and 29,024.12 is: 43,536.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,144.80 : 148,717.20 = 29,024.12 : x
  2. Step 2: Convert to fraction form
    99,144.80/148,717.20 = 29,024.12/x
  3. Step 3: Cross multiply
    99,144.80x = 148,717.20 × 29,024.12
  4. Step 4: Simplify right side
    99,144.80x = 4,316,385,115.28
  5. Step 5: Solve for x
    x = 4,316,385,115.28/99,144.80
  6. Step 6: Final answer
    x = 43,536.17

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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.