Home / 75,278.27-103,874.43-43,014.98

Finding the Fourth Proportional to 75,278.27, 103,874.43 and 43,014.98

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Solution

The fourth proportional to 75,278.27, 103,874.43 and 43,014.98 is: 59,355.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,278.27 : 103,874.43 = 43,014.98 : x
  2. Step 2: Convert to fraction form
    75,278.27/103,874.43 = 43,014.98/x
  3. Step 3: Cross multiply
    75,278.27x = 103,874.43 × 43,014.98
  4. Step 4: Simplify right side
    75,278.27x = 4,468,156,170.90
  5. Step 5: Solve for x
    x = 4,468,156,170.90/75,278.27
  6. Step 6: Final answer
    x = 59,355.20

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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.