Home / 91,950.38-126,894.82-51,663.36

Finding the Fourth Proportional to 91,950.38, 126,894.82 and 51,663.36

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Solution

The fourth proportional to 91,950.38, 126,894.82 and 51,663.36 is: 71,297.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,950.38 : 126,894.82 = 51,663.36 : x
  2. Step 2: Convert to fraction form
    91,950.38/126,894.82 = 51,663.36/x
  3. Step 3: Cross multiply
    91,950.38x = 126,894.82 × 51,663.36
  4. Step 4: Simplify right side
    91,950.38x = 6,555,812,767.80
  5. Step 5: Solve for x
    x = 6,555,812,767.80/91,950.38
  6. Step 6: Final answer
    x = 71,297.29

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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.