Home / 75,272.42-103,880.60-41,738.42

Finding the Fourth Proportional to 75,272.42, 103,880.60 and 41,738.42

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Solution

The fourth proportional to 75,272.42, 103,880.60 and 41,738.42 is: 57,601.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,272.42 : 103,880.60 = 41,738.42 : x
  2. Step 2: Convert to fraction form
    75,272.42/103,880.60 = 41,738.42/x
  3. Step 3: Cross multiply
    75,272.42x = 103,880.60 × 41,738.42
  4. Step 4: Simplify right side
    75,272.42x = 4,335,811,384.56
  5. Step 5: Solve for x
    x = 4,335,811,384.56/75,272.42
  6. Step 6: Final answer
    x = 57,601.60

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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.