Home / 68,087.10-102,001.05-40,352.70

Finding the Fourth Proportional to 68,087.10, 102,001.05 and 40,352.70

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Solution

The fourth proportional to 68,087.10, 102,001.05 and 40,352.70 is: 60,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,087.10 : 102,001.05 = 40,352.70 : x
  2. Step 2: Convert to fraction form
    68,087.10/102,001.05 = 40,352.70/x
  3. Step 3: Cross multiply
    68,087.10x = 102,001.05 × 40,352.70
  4. Step 4: Simplify right side
    68,087.10x = 4,116,017,770.34
  5. Step 5: Solve for x
    x = 4,116,017,770.34/68,087.10
  6. Step 6: Final answer
    x = 60,452.24

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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.