Home / 68,445.03-102,671.19-21,701.55

Finding the Fourth Proportional to 68,445.03, 102,671.19 and 21,701.55

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Solution

The fourth proportional to 68,445.03, 102,671.19 and 21,701.55 is: 32,553.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.03 : 102,671.19 = 21,701.55 : x
  2. Step 2: Convert to fraction form
    68,445.03/102,671.19 = 21,701.55/x
  3. Step 3: Cross multiply
    68,445.03x = 102,671.19 × 21,701.55
  4. Step 4: Simplify right side
    68,445.03x = 2,228,123,963.34
  5. Step 5: Solve for x
    x = 2,228,123,963.34/68,445.03
  6. Step 6: Final answer
    x = 32,553.48

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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.