Home / 69,008.20-103,356.78-41,247.88

Finding the Fourth Proportional to 69,008.20, 103,356.78 and 41,247.88

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Solution

The fourth proportional to 69,008.20, 103,356.78 and 41,247.88 is: 61,778.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,008.20 : 103,356.78 = 41,247.88 : x
  2. Step 2: Convert to fraction form
    69,008.20/103,356.78 = 41,247.88/x
  3. Step 3: Cross multiply
    69,008.20x = 103,356.78 × 41,247.88
  4. Step 4: Simplify right side
    69,008.20x = 4,263,248,058.63
  5. Step 5: Solve for x
    x = 4,263,248,058.63/69,008.20
  6. Step 6: Final answer
    x = 61,778.86

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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.