Home / 91,958.19-126,871.77-51,666.36

Finding the Fourth Proportional to 91,958.19, 126,871.77 and 51,666.36

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Solution

The fourth proportional to 91,958.19, 126,871.77 and 51,666.36 is: 71,282.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,958.19 : 126,871.77 = 51,666.36 : x
  2. Step 2: Convert to fraction form
    91,958.19/126,871.77 = 51,666.36/x
  3. Step 3: Cross multiply
    91,958.19x = 126,871.77 × 51,666.36
  4. Step 4: Simplify right side
    91,958.19x = 6,555,002,542.66
  5. Step 5: Solve for x
    x = 6,555,002,542.66/91,958.19
  6. Step 6: Final answer
    x = 71,282.42

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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.