Home / 68,139.47-102,226.08-32,627.81

Finding the Fourth Proportional to 68,139.47, 102,226.08 and 32,627.81

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Solution

The fourth proportional to 68,139.47, 102,226.08 and 32,627.81 is: 48,949.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,139.47 : 102,226.08 = 32,627.81 : x
  2. Step 2: Convert to fraction form
    68,139.47/102,226.08 = 32,627.81/x
  3. Step 3: Cross multiply
    68,139.47x = 102,226.08 × 32,627.81
  4. Step 4: Simplify right side
    68,139.47x = 3,335,413,115.28
  5. Step 5: Solve for x
    x = 3,335,413,115.28/68,139.47
  6. Step 6: Final answer
    x = 48,949.80

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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.