Home / 68,487.12-102,729.57-26,376.44

Finding the Fourth Proportional to 68,487.12, 102,729.57 and 26,376.44

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Solution

The fourth proportional to 68,487.12, 102,729.57 and 26,376.44 is: 39,564.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,487.12 : 102,729.57 = 26,376.44 : x
  2. Step 2: Convert to fraction form
    68,487.12/102,729.57 = 26,376.44/x
  3. Step 3: Cross multiply
    68,487.12x = 102,729.57 × 26,376.44
  4. Step 4: Simplify right side
    68,487.12x = 2,709,639,726.77
  5. Step 5: Solve for x
    x = 2,709,639,726.77/68,487.12
  6. Step 6: Final answer
    x = 39,564.22

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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.