Home / 99,422.18-149,044.88-36,230.42

Finding the Fourth Proportional to 99,422.18, 149,044.88 and 36,230.42

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Solution

The fourth proportional to 99,422.18, 149,044.88 and 36,230.42 is: 54,313.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,422.18 : 149,044.88 = 36,230.42 : x
  2. Step 2: Convert to fraction form
    99,422.18/149,044.88 = 36,230.42/x
  3. Step 3: Cross multiply
    99,422.18x = 149,044.88 × 36,230.42
  4. Step 4: Simplify right side
    99,422.18x = 5,399,958,860.64
  5. Step 5: Solve for x
    x = 5,399,958,860.64/99,422.18
  6. Step 6: Final answer
    x = 54,313.42

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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.