Home / 68,107.33-102,171.93-25,985.71

Finding the Fourth Proportional to 68,107.33, 102,171.93 and 25,985.71

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Solution

The fourth proportional to 68,107.33, 102,171.93 and 25,985.71 is: 38,982.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,107.33 : 102,171.93 = 25,985.71 : x
  2. Step 2: Convert to fraction form
    68,107.33/102,171.93 = 25,985.71/x
  3. Step 3: Cross multiply
    68,107.33x = 102,171.93 × 25,985.71
  4. Step 4: Simplify right side
    68,107.33x = 2,655,010,319.56
  5. Step 5: Solve for x
    x = 2,655,010,319.56/68,107.33
  6. Step 6: Final answer
    x = 38,982.74

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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.