Home / 68,813.13-94,972.77-38,610.66

Finding the Fourth Proportional to 68,813.13, 94,972.77 and 38,610.66

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Solution

The fourth proportional to 68,813.13, 94,972.77 and 38,610.66 is: 53,288.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,813.13 : 94,972.77 = 38,610.66 : x
  2. Step 2: Convert to fraction form
    68,813.13/94,972.77 = 38,610.66/x
  3. Step 3: Cross multiply
    68,813.13x = 94,972.77 × 38,610.66
  4. Step 4: Simplify right side
    68,813.13x = 3,666,961,331.73
  5. Step 5: Solve for x
    x = 3,666,961,331.73/68,813.13
  6. Step 6: Final answer
    x = 53,288.69

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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.