Home / 68,665.11-102,981.52-38,692.41

Finding the Fourth Proportional to 68,665.11, 102,981.52 and 38,692.41

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Solution

The fourth proportional to 68,665.11, 102,981.52 and 38,692.41 is: 58,029.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,665.11 : 102,981.52 = 38,692.41 : x
  2. Step 2: Convert to fraction form
    68,665.11/102,981.52 = 38,692.41/x
  3. Step 3: Cross multiply
    68,665.11x = 102,981.52 × 38,692.41
  4. Step 4: Simplify right side
    68,665.11x = 3,984,603,194.26
  5. Step 5: Solve for x
    x = 3,984,603,194.26/68,665.11
  6. Step 6: Final answer
    x = 58,029.52

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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.