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Finding the Fourth Proportional to 75,958.56, 104,820.84 and 41,969.52

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Solution

The fourth proportional to 75,958.56, 104,820.84 and 41,969.52 is: 57,916.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,958.56 : 104,820.84 = 41,969.52 : x
  2. Step 2: Convert to fraction form
    75,958.56/104,820.84 = 41,969.52/x
  3. Step 3: Cross multiply
    75,958.56x = 104,820.84 × 41,969.52
  4. Step 4: Simplify right side
    75,958.56x = 4,399,280,340.80
  5. Step 5: Solve for x
    x = 4,399,280,340.80/75,958.56
  6. Step 6: Final answer
    x = 57,916.85

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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.