Home / 91,948.82-126,892.67-51,661.80

Finding the Fourth Proportional to 91,948.82, 126,892.67 and 51,661.80

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Solution

The fourth proportional to 91,948.82, 126,892.67 and 51,661.80 is: 71,295.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,948.82 : 126,892.67 = 51,661.80 : x
  2. Step 2: Convert to fraction form
    91,948.82/126,892.67 = 51,661.80/x
  3. Step 3: Cross multiply
    91,948.82x = 126,892.67 × 51,661.80
  4. Step 4: Simplify right side
    91,948.82x = 6,555,503,480.70
  5. Step 5: Solve for x
    x = 6,555,503,480.70/91,948.82
  6. Step 6: Final answer
    x = 71,295.14

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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.