Home / 68,391.62-102,587.32-38,016.06

Finding the Fourth Proportional to 68,391.62, 102,587.32 and 38,016.06

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Solution

The fourth proportional to 68,391.62, 102,587.32 and 38,016.06 is: 57,024.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,391.62 : 102,587.32 = 38,016.06 : x
  2. Step 2: Convert to fraction form
    68,391.62/102,587.32 = 38,016.06/x
  3. Step 3: Cross multiply
    68,391.62x = 102,587.32 × 38,016.06
  4. Step 4: Simplify right side
    68,391.62x = 3,899,965,199.42
  5. Step 5: Solve for x
    x = 3,899,965,199.42/68,391.62
  6. Step 6: Final answer
    x = 57,024.03

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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.