Home / 91,754.60-126,626.37-51,481.13

Finding the Fourth Proportional to 91,754.60, 126,626.37 and 51,481.13

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Solution

The fourth proportional to 91,754.60, 126,626.37 and 51,481.13 is: 71,046.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,754.60 : 126,626.37 = 51,481.13 : x
  2. Step 2: Convert to fraction form
    91,754.60/126,626.37 = 51,481.13/x
  3. Step 3: Cross multiply
    91,754.60x = 126,626.37 × 51,481.13
  4. Step 4: Simplify right side
    91,754.60x = 6,518,868,615.40
  5. Step 5: Solve for x
    x = 6,518,868,615.40/91,754.60
  6. Step 6: Final answer
    x = 71,046.78

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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.