Home / 99,349.88-148,988.36-32,770.31

Finding the Fourth Proportional to 99,349.88, 148,988.36 and 32,770.31

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Solution

The fourth proportional to 99,349.88, 148,988.36 and 32,770.31 is: 49,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,349.88 : 148,988.36 = 32,770.31 : x
  2. Step 2: Convert to fraction form
    99,349.88/148,988.36 = 32,770.31/x
  3. Step 3: Cross multiply
    99,349.88x = 148,988.36 × 32,770.31
  4. Step 4: Simplify right side
    99,349.88x = 4,882,394,080.58
  5. Step 5: Solve for x
    x = 4,882,394,080.58/99,349.88
  6. Step 6: Final answer
    x = 49,143.43

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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.