Home / 49,695.01-74,542.56-12,255.70

Finding the Fourth Proportional to 49,695.01, 74,542.56 and 12,255.70

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Solution

The fourth proportional to 49,695.01, 74,542.56 and 12,255.70 is: 18,383.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,695.01 : 74,542.56 = 12,255.70 : x
  2. Step 2: Convert to fraction form
    49,695.01/74,542.56 = 12,255.70/x
  3. Step 3: Cross multiply
    49,695.01x = 74,542.56 × 12,255.70
  4. Step 4: Simplify right side
    49,695.01x = 913,571,252.59
  5. Step 5: Solve for x
    x = 913,571,252.59/49,695.01
  6. Step 6: Final answer
    x = 18,383.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.