Home / 99,383.10-148,959.45-40,179.90

Finding the Fourth Proportional to 99,383.10, 148,959.45 and 40,179.90

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Solution

The fourth proportional to 99,383.10, 148,959.45 and 40,179.90 is: 60,223.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,383.10 : 148,959.45 = 40,179.90 : x
  2. Step 2: Convert to fraction form
    99,383.10/148,959.45 = 40,179.90/x
  3. Step 3: Cross multiply
    99,383.10x = 148,959.45 × 40,179.90
  4. Step 4: Simplify right side
    99,383.10x = 5,985,175,805.06
  5. Step 5: Solve for x
    x = 5,985,175,805.06/99,383.10
  6. Step 6: Final answer
    x = 60,223.28

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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.