Home / 75,269.44-103,873.26-41,275.78

Finding the Fourth Proportional to 75,269.44, 103,873.26 and 41,275.78

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Solution

The fourth proportional to 75,269.44, 103,873.26 and 41,275.78 is: 56,961.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,269.44 : 103,873.26 = 41,275.78 : x
  2. Step 2: Convert to fraction form
    75,269.44/103,873.26 = 41,275.78/x
  3. Step 3: Cross multiply
    75,269.44x = 103,873.26 × 41,275.78
  4. Step 4: Simplify right side
    75,269.44x = 4,287,449,300.48
  5. Step 5: Solve for x
    x = 4,287,449,300.48/75,269.44
  6. Step 6: Final answer
    x = 56,961.35

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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.