Home / 103,921.30-155,651.55-41,559.70

Finding the Fourth Proportional to 103,921.30, 155,651.55 and 41,559.70

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Solution

The fourth proportional to 103,921.30, 155,651.55 and 41,559.70 is: 62,247.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,921.30 : 155,651.55 = 41,559.70 : x
  2. Step 2: Convert to fraction form
    103,921.30/155,651.55 = 41,559.70/x
  3. Step 3: Cross multiply
    103,921.30x = 155,651.55 × 41,559.70
  4. Step 4: Simplify right side
    103,921.30x = 6,468,831,722.54
  5. Step 5: Solve for x
    x = 6,468,831,722.54/103,921.30
  6. Step 6: Final answer
    x = 62,247.41

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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.