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Finding the Fourth Proportional to 68,117.48, 94,001.22 and 38,309.48

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Solution

The fourth proportional to 68,117.48, 94,001.22 and 38,309.48 is: 52,866.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,117.48 : 94,001.22 = 38,309.48 : x
  2. Step 2: Convert to fraction form
    68,117.48/94,001.22 = 38,309.48/x
  3. Step 3: Cross multiply
    68,117.48x = 94,001.22 × 38,309.48
  4. Step 4: Simplify right side
    68,117.48x = 3,601,137,857.57
  5. Step 5: Solve for x
    x = 3,601,137,857.57/68,117.48
  6. Step 6: Final answer
    x = 52,866.57

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.