Home / 91,773.57-126,640.08-51,481.74

Finding the Fourth Proportional to 91,773.57, 126,640.08 and 51,481.74

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Solution

The fourth proportional to 91,773.57, 126,640.08 and 51,481.74 is: 71,040.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,773.57 : 126,640.08 = 51,481.74 : x
  2. Step 2: Convert to fraction form
    91,773.57/126,640.08 = 51,481.74/x
  3. Step 3: Cross multiply
    91,773.57x = 126,640.08 × 51,481.74
  4. Step 4: Simplify right side
    91,773.57x = 6,519,651,672.14
  5. Step 5: Solve for x
    x = 6,519,651,672.14/91,773.57
  6. Step 6: Final answer
    x = 71,040.62

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1.5x scale

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.