Home / 68,939.06-95,133.39-42,126.44

Finding the Fourth Proportional to 68,939.06, 95,133.39 and 42,126.44

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Solution

The fourth proportional to 68,939.06, 95,133.39 and 42,126.44 is: 58,132.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,939.06 : 95,133.39 = 42,126.44 : x
  2. Step 2: Convert to fraction form
    68,939.06/95,133.39 = 42,126.44/x
  3. Step 3: Cross multiply
    68,939.06x = 95,133.39 × 42,126.44
  4. Step 4: Simplify right side
    68,939.06x = 4,007,631,045.83
  5. Step 5: Solve for x
    x = 4,007,631,045.83/68,939.06
  6. Step 6: Final answer
    x = 58,132.95

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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.