Home / 68,674.28-102,837.18-57,551.72

Finding the Fourth Proportional to 68,674.28, 102,837.18 and 57,551.72

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Solution

The fourth proportional to 68,674.28, 102,837.18 and 57,551.72 is: 86,181.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,674.28 : 102,837.18 = 57,551.72 : x
  2. Step 2: Convert to fraction form
    68,674.28/102,837.18 = 57,551.72/x
  3. Step 3: Cross multiply
    68,674.28x = 102,837.18 × 57,551.72
  4. Step 4: Simplify right side
    68,674.28x = 5,918,456,588.95
  5. Step 5: Solve for x
    x = 5,918,456,588.95/68,674.28
  6. Step 6: Final answer
    x = 86,181.56

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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.