Home / 68,432.22-102,654.81-26,869.50

Finding the Fourth Proportional to 68,432.22, 102,654.81 and 26,869.50

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Solution

The fourth proportional to 68,432.22, 102,654.81 and 26,869.50 is: 40,306.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,432.22 : 102,654.81 = 26,869.50 : x
  2. Step 2: Convert to fraction form
    68,432.22/102,654.81 = 26,869.50/x
  3. Step 3: Cross multiply
    68,432.22x = 102,654.81 × 26,869.50
  4. Step 4: Simplify right side
    68,432.22x = 2,758,283,417.30
  5. Step 5: Solve for x
    x = 2,758,283,417.30/68,432.22
  6. Step 6: Final answer
    x = 40,306.79

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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.