Home / 91,257.68-136,930.24-44,485.04

Finding the Fourth Proportional to 91,257.68, 136,930.24 and 44,485.04

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Solution

The fourth proportional to 91,257.68, 136,930.24 and 44,485.04 is: 66,748.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,257.68 : 136,930.24 = 44,485.04 : x
  2. Step 2: Convert to fraction form
    91,257.68/136,930.24 = 44,485.04/x
  3. Step 3: Cross multiply
    91,257.68x = 136,930.24 × 44,485.04
  4. Step 4: Simplify right side
    91,257.68x = 6,091,347,203.61
  5. Step 5: Solve for x
    x = 6,091,347,203.61/91,257.68
  6. Step 6: Final answer
    x = 66,748.87

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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.