Home / 68,935.06-95,127.87-42,122.44

Finding the Fourth Proportional to 68,935.06, 95,127.87 and 42,122.44

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Solution

The fourth proportional to 68,935.06, 95,127.87 and 42,122.44 is: 58,127.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,935.06 : 95,127.87 = 42,122.44 : x
  2. Step 2: Convert to fraction form
    68,935.06/95,127.87 = 42,122.44/x
  3. Step 3: Cross multiply
    68,935.06x = 95,127.87 × 42,122.44
  4. Step 4: Simplify right side
    68,935.06x = 4,007,017,996.40
  5. Step 5: Solve for x
    x = 4,007,017,996.40/68,935.06
  6. Step 6: Final answer
    x = 58,127.43

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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.