Home / 68,273.12-102,423.62-38,704.16

Finding the Fourth Proportional to 68,273.12, 102,423.62 and 38,704.16

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Solution

The fourth proportional to 68,273.12, 102,423.62 and 38,704.16 is: 58,064.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,273.12 : 102,423.62 = 38,704.16 : x
  2. Step 2: Convert to fraction form
    68,273.12/102,423.62 = 38,704.16/x
  3. Step 3: Cross multiply
    68,273.12x = 102,423.62 × 38,704.16
  4. Step 4: Simplify right side
    68,273.12x = 3,964,220,176.26
  5. Step 5: Solve for x
    x = 3,964,220,176.26/68,273.12
  6. Step 6: Final answer
    x = 58,064.14

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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.