Home / 68,947.20-103,423.68-41,184

Finding the Fourth Proportional to 68,947.20, 103,423.68 and 41,184

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Solution

The fourth proportional to 68,947.20, 103,423.68 and 41,184 is: 61,777.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.20 : 103,423.68 = 41,184 : x
  2. Step 2: Convert to fraction form
    68,947.20/103,423.68 = 41,184/x
  3. Step 3: Cross multiply
    68,947.20x = 103,423.68 × 41,184
  4. Step 4: Simplify right side
    68,947.20x = 4,259,400,837.12
  5. Step 5: Solve for x
    x = 4,259,400,837.12/68,947.20
  6. Step 6: Final answer
    x = 61,777.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.