Home / 68,977.04-95,185.25-40,299.36

Finding the Fourth Proportional to 68,977.04, 95,185.25 and 40,299.36

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Solution

The fourth proportional to 68,977.04, 95,185.25 and 40,299.36 is: 55,611.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,977.04 : 95,185.25 = 40,299.36 : x
  2. Step 2: Convert to fraction form
    68,977.04/95,185.25 = 40,299.36/x
  3. Step 3: Cross multiply
    68,977.04x = 95,185.25 × 40,299.36
  4. Step 4: Simplify right side
    68,977.04x = 3,835,904,362.46
  5. Step 5: Solve for x
    x = 3,835,904,362.46/68,977.04
  6. Step 6: Final answer
    x = 55,611.32

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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.