Home / 91,876.46-126,792.56-51,597.38

Finding the Fourth Proportional to 91,876.46, 126,792.56 and 51,597.38

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Solution

The fourth proportional to 91,876.46, 126,792.56 and 51,597.38 is: 71,206.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,876.46 : 126,792.56 = 51,597.38 : x
  2. Step 2: Convert to fraction form
    91,876.46/126,792.56 = 51,597.38/x
  3. Step 3: Cross multiply
    91,876.46x = 126,792.56 × 51,597.38
  4. Step 4: Simplify right side
    91,876.46x = 6,542,163,899.49
  5. Step 5: Solve for x
    x = 6,542,163,899.49/91,876.46
  6. Step 6: Final answer
    x = 71,206.09

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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.