Home / 68,288.28-94,238.53-39,609.87

Finding the Fourth Proportional to 68,288.28, 94,238.53 and 39,609.87

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Solution

The fourth proportional to 68,288.28, 94,238.53 and 39,609.87 is: 54,662.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.28 : 94,238.53 = 39,609.87 : x
  2. Step 2: Convert to fraction form
    68,288.28/94,238.53 = 39,609.87/x
  3. Step 3: Cross multiply
    68,288.28x = 94,238.53 × 39,609.87
  4. Step 4: Simplify right side
    68,288.28x = 3,732,775,922.29
  5. Step 5: Solve for x
    x = 3,732,775,922.29/68,288.28
  6. Step 6: Final answer
    x = 54,662.03

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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.