Home / 40,102.53-60,119.97-25,278.78

Finding the Fourth Proportional to 40,102.53, 60,119.97 and 25,278.78

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Solution

The fourth proportional to 40,102.53, 60,119.97 and 25,278.78 is: 37,896.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,102.53 : 60,119.97 = 25,278.78 : x
  2. Step 2: Convert to fraction form
    40,102.53/60,119.97 = 25,278.78/x
  3. Step 3: Cross multiply
    40,102.53x = 60,119.97 × 25,278.78
  4. Step 4: Simplify right side
    40,102.53x = 1,519,759,495.24
  5. Step 5: Solve for x
    x = 1,519,759,495.24/40,102.53
  6. Step 6: Final answer
    x = 37,896.85

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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.