Home / 91,517.08-126,296.22-51,230.60

Finding the Fourth Proportional to 91,517.08, 126,296.22 and 51,230.60

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Solution

The fourth proportional to 91,517.08, 126,296.22 and 51,230.60 is: 70,699.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,517.08 : 126,296.22 = 51,230.60 : x
  2. Step 2: Convert to fraction form
    91,517.08/126,296.22 = 51,230.60/x
  3. Step 3: Cross multiply
    91,517.08x = 126,296.22 × 51,230.60
  4. Step 4: Simplify right side
    91,517.08x = 6,470,231,128.33
  5. Step 5: Solve for x
    x = 6,470,231,128.33/91,517.08
  6. Step 6: Final answer
    x = 70,699.71

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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.