Home / 68,810.75-94,936.41-40,123.92

Finding the Fourth Proportional to 68,810.75, 94,936.41 and 40,123.92

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Solution

The fourth proportional to 68,810.75, 94,936.41 and 40,123.92 is: 55,357.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,810.75 : 94,936.41 = 40,123.92 : x
  2. Step 2: Convert to fraction form
    68,810.75/94,936.41 = 40,123.92/x
  3. Step 3: Cross multiply
    68,810.75x = 94,936.41 × 40,123.92
  4. Step 4: Simplify right side
    68,810.75x = 3,809,220,919.93
  5. Step 5: Solve for x
    x = 3,809,220,919.93/68,810.75
  6. Step 6: Final answer
    x = 55,357.94

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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.