Home / 68,928.02-103,408.50-22,180.76

Finding the Fourth Proportional to 68,928.02, 103,408.50 and 22,180.76

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Solution

The fourth proportional to 68,928.02, 103,408.50 and 22,180.76 is: 33,276.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,928.02 : 103,408.50 = 22,180.76 : x
  2. Step 2: Convert to fraction form
    68,928.02/103,408.50 = 22,180.76/x
  3. Step 3: Cross multiply
    68,928.02x = 103,408.50 × 22,180.76
  4. Step 4: Simplify right side
    68,928.02x = 2,293,679,120.46
  5. Step 5: Solve for x
    x = 2,293,679,120.46/68,928.02
  6. Step 6: Final answer
    x = 33,276.44

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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.