Home / 68,231.77-102,366.19-38,670.37

Finding the Fourth Proportional to 68,231.77, 102,366.19 and 38,670.37

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Solution

The fourth proportional to 68,231.77, 102,366.19 and 38,670.37 is: 58,016.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,231.77 : 102,366.19 = 38,670.37 : x
  2. Step 2: Convert to fraction form
    68,231.77/102,366.19 = 38,670.37/x
  3. Step 3: Cross multiply
    68,231.77x = 102,366.19 × 38,670.37
  4. Step 4: Simplify right side
    68,231.77x = 3,958,537,737.61
  5. Step 5: Solve for x
    x = 3,958,537,737.61/68,231.77
  6. Step 6: Final answer
    x = 58,016.05

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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.