Home / 90,760.30-125,148.24-62,084.68

Finding the Fourth Proportional to 90,760.30, 125,148.24 and 62,084.68

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Solution

The fourth proportional to 90,760.30, 125,148.24 and 62,084.68 is: 85,607.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,760.30 : 125,148.24 = 62,084.68 : x
  2. Step 2: Convert to fraction form
    90,760.30/125,148.24 = 62,084.68/x
  3. Step 3: Cross multiply
    90,760.30x = 125,148.24 × 62,084.68
  4. Step 4: Simplify right side
    90,760.30x = 7,769,788,120.09
  5. Step 5: Solve for x
    x = 7,769,788,120.09/90,760.30
  6. Step 6: Final answer
    x = 85,607.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.