Home / 68,459.18-102,691.60-23,511.42

Finding the Fourth Proportional to 68,459.18, 102,691.60 and 23,511.42

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Solution

The fourth proportional to 68,459.18, 102,691.60 and 23,511.42 is: 35,268.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,459.18 : 102,691.60 = 23,511.42 : x
  2. Step 2: Convert to fraction form
    68,459.18/102,691.60 = 23,511.42/x
  3. Step 3: Cross multiply
    68,459.18x = 102,691.60 × 23,511.42
  4. Step 4: Simplify right side
    68,459.18x = 2,414,425,338.07
  5. Step 5: Solve for x
    x = 2,414,425,338.07/68,459.18
  6. Step 6: Final answer
    x = 35,268.10

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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.