Home / 68,346.20-102,519.30-41,965.40

Finding the Fourth Proportional to 68,346.20, 102,519.30 and 41,965.40

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Solution

The fourth proportional to 68,346.20, 102,519.30 and 41,965.40 is: 62,948.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,346.20 : 102,519.30 = 41,965.40 : x
  2. Step 2: Convert to fraction form
    68,346.20/102,519.30 = 41,965.40/x
  3. Step 3: Cross multiply
    68,346.20x = 102,519.30 × 41,965.40
  4. Step 4: Simplify right side
    68,346.20x = 4,302,263,432.22
  5. Step 5: Solve for x
    x = 4,302,263,432.22/68,346.20
  6. Step 6: Final answer
    x = 62,948.10

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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.