Home / 91,850.20-126,752.76-51,563.95

Finding the Fourth Proportional to 91,850.20, 126,752.76 and 51,563.95

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Solution

The fourth proportional to 91,850.20, 126,752.76 and 51,563.95 is: 71,157.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,850.20 : 126,752.76 = 51,563.95 : x
  2. Step 2: Convert to fraction form
    91,850.20/126,752.76 = 51,563.95/x
  3. Step 3: Cross multiply
    91,850.20x = 126,752.76 × 51,563.95
  4. Step 4: Simplify right side
    91,850.20x = 6,535,872,979.00
  5. Step 5: Solve for x
    x = 6,535,872,979.00/91,850.20
  6. Step 6: Final answer
    x = 71,157.96

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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.