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Finding the Fourth Proportional to 75,265.62, 103,867.71 and 41,277.21

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Solution

The fourth proportional to 75,265.62, 103,867.71 and 41,277.21 is: 56,963.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,265.62 : 103,867.71 = 41,277.21 : x
  2. Step 2: Convert to fraction form
    75,265.62/103,867.71 = 41,277.21/x
  3. Step 3: Cross multiply
    75,265.62x = 103,867.71 × 41,277.21
  4. Step 4: Simplify right side
    75,265.62x = 4,287,369,277.89
  5. Step 5: Solve for x
    x = 4,287,369,277.89/75,265.62
  6. Step 6: Final answer
    x = 56,963.18

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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.