Home / 91,334.20-126,037.23-49,940.43

Finding the Fourth Proportional to 91,334.20, 126,037.23 and 49,940.43

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Solution

The fourth proportional to 91,334.20, 126,037.23 and 49,940.43 is: 68,915.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,334.20 : 126,037.23 = 49,940.43 : x
  2. Step 2: Convert to fraction form
    91,334.20/126,037.23 = 49,940.43/x
  3. Step 3: Cross multiply
    91,334.20x = 126,037.23 × 49,940.43
  4. Step 4: Simplify right side
    91,334.20x = 6,294,353,462.21
  5. Step 5: Solve for x
    x = 6,294,353,462.21/91,334.20
  6. Step 6: Final answer
    x = 68,915.62

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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.