Home / 68,933.73-95,126.10-42,121.11

Finding the Fourth Proportional to 68,933.73, 95,126.10 and 42,121.11

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Solution

The fourth proportional to 68,933.73, 95,126.10 and 42,121.11 is: 58,125.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,933.73 : 95,126.10 = 42,121.11 : x
  2. Step 2: Convert to fraction form
    68,933.73/95,126.10 = 42,121.11/x
  3. Step 3: Cross multiply
    68,933.73x = 95,126.10 × 42,121.11
  4. Step 4: Simplify right side
    68,933.73x = 4,006,817,120.74
  5. Step 5: Solve for x
    x = 4,006,817,120.74/68,933.73
  6. Step 6: Final answer
    x = 58,125.64

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.