Home / 68,186.34-94,122.81-39,901.14

Finding the Fourth Proportional to 68,186.34, 94,122.81 and 39,901.14

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Solution

The fourth proportional to 68,186.34, 94,122.81 and 39,901.14 is: 55,078.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,186.34 : 94,122.81 = 39,901.14 : x
  2. Step 2: Convert to fraction form
    68,186.34/94,122.81 = 39,901.14/x
  3. Step 3: Cross multiply
    68,186.34x = 94,122.81 × 39,901.14
  4. Step 4: Simplify right side
    68,186.34x = 3,755,607,419.00
  5. Step 5: Solve for x
    x = 3,755,607,419.00/68,186.34
  6. Step 6: Final answer
    x = 55,078.59

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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.