Home / 68,288.78-94,239.22-39,610.37

Finding the Fourth Proportional to 68,288.78, 94,239.22 and 39,610.37

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Solution

The fourth proportional to 68,288.78, 94,239.22 and 39,610.37 is: 54,662.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,288.78 : 94,239.22 = 39,610.37 : x
  2. Step 2: Convert to fraction form
    68,288.78/94,239.22 = 39,610.37/x
  3. Step 3: Cross multiply
    68,288.78x = 94,239.22 × 39,610.37
  4. Step 4: Simplify right side
    68,288.78x = 3,732,850,372.71
  5. Step 5: Solve for x
    x = 3,732,850,372.71/68,288.78
  6. Step 6: Final answer
    x = 54,662.72

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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.