Home / 99,233.60-148,874.40-29,115.20

Finding the Fourth Proportional to 99,233.60, 148,874.40 and 29,115.20

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Solution

The fourth proportional to 99,233.60, 148,874.40 and 29,115.20 is: 43,679.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,233.60 : 148,874.40 = 29,115.20 : x
  2. Step 2: Convert to fraction form
    99,233.60/148,874.40 = 29,115.20/x
  3. Step 3: Cross multiply
    99,233.60x = 148,874.40 × 29,115.20
  4. Step 4: Simplify right side
    99,233.60x = 4,334,507,930.88
  5. Step 5: Solve for x
    x = 4,334,507,930.88/99,233.60
  6. Step 6: Final answer
    x = 43,679.84

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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.