Home / 91,391.26-126,124.78-51,102.52

Finding the Fourth Proportional to 91,391.26, 126,124.78 and 51,102.52

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Solution

The fourth proportional to 91,391.26, 126,124.78 and 51,102.52 is: 70,524.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,391.26 : 126,124.78 = 51,102.52 : x
  2. Step 2: Convert to fraction form
    91,391.26/126,124.78 = 51,102.52/x
  3. Step 3: Cross multiply
    91,391.26x = 126,124.78 × 51,102.52
  4. Step 4: Simplify right side
    91,391.26x = 6,445,294,092.45
  5. Step 5: Solve for x
    x = 6,445,294,092.45/91,391.26
  6. Step 6: Final answer
    x = 70,524.18

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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.