Home / 91,908.86-126,825.27-51,613.46

Finding the Fourth Proportional to 91,908.86, 126,825.27 and 51,613.46

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Solution

The fourth proportional to 91,908.86, 126,825.27 and 51,613.46 is: 71,221.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,908.86 : 126,825.27 = 51,613.46 : x
  2. Step 2: Convert to fraction form
    91,908.86/126,825.27 = 51,613.46/x
  3. Step 3: Cross multiply
    91,908.86x = 126,825.27 × 51,613.46
  4. Step 4: Simplify right side
    91,908.86x = 6,545,891,000.13
  5. Step 5: Solve for x
    x = 6,545,891,000.13/91,908.86
  6. Step 6: Final answer
    x = 71,221.54

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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.