Home / 100,839.34-151,283.94-41,691.88

Finding the Fourth Proportional to 100,839.34, 151,283.94 and 41,691.88

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Solution

The fourth proportional to 100,839.34, 151,283.94 and 41,691.88 is: 62,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,839.34 : 151,283.94 = 41,691.88 : x
  2. Step 2: Convert to fraction form
    100,839.34/151,283.94 = 41,691.88/x
  3. Step 3: Cross multiply
    100,839.34x = 151,283.94 × 41,691.88
  4. Step 4: Simplify right side
    100,839.34x = 6,307,311,872.41
  5. Step 5: Solve for x
    x = 6,307,311,872.41/100,839.34
  6. Step 6: Final answer
    x = 62,548.13

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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.