Home / 91,819.30-137,729.56-25,266.46

Finding the Fourth Proportional to 91,819.30, 137,729.56 and 25,266.46

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Solution

The fourth proportional to 91,819.30, 137,729.56 and 25,266.46 is: 37,899.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,819.30 : 137,729.56 = 25,266.46 : x
  2. Step 2: Convert to fraction form
    91,819.30/137,729.56 = 25,266.46/x
  3. Step 3: Cross multiply
    91,819.30x = 137,729.56 × 25,266.46
  4. Step 4: Simplify right side
    91,819.30x = 3,479,938,418.56
  5. Step 5: Solve for x
    x = 3,479,938,418.56/91,819.30
  6. Step 6: Final answer
    x = 37,899.86

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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.