Home / 68,207.25-102,276.60-39,753.36

Finding the Fourth Proportional to 68,207.25, 102,276.60 and 39,753.36

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Solution

The fourth proportional to 68,207.25, 102,276.60 and 39,753.36 is: 59,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,207.25 : 102,276.60 = 39,753.36 : x
  2. Step 2: Convert to fraction form
    68,207.25/102,276.60 = 39,753.36/x
  3. Step 3: Cross multiply
    68,207.25x = 102,276.60 × 39,753.36
  4. Step 4: Simplify right side
    68,207.25x = 4,065,838,499.38
  5. Step 5: Solve for x
    x = 4,065,838,499.38/68,207.25
  6. Step 6: Final answer
    x = 59,610.06

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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.