Home / 68,289.54-102,433.09-26,158.20

Finding the Fourth Proportional to 68,289.54, 102,433.09 and 26,158.20

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Solution

The fourth proportional to 68,289.54, 102,433.09 and 26,158.20 is: 39,236.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,289.54 : 102,433.09 = 26,158.20 : x
  2. Step 2: Convert to fraction form
    68,289.54/102,433.09 = 26,158.20/x
  3. Step 3: Cross multiply
    68,289.54x = 102,433.09 × 26,158.20
  4. Step 4: Simplify right side
    68,289.54x = 2,679,465,254.84
  5. Step 5: Solve for x
    x = 2,679,465,254.84/68,289.54
  6. Step 6: Final answer
    x = 39,236.83

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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.