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Finding the Fourth Proportional to 68,525, 94,564.66 and 38,717

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Solution

The fourth proportional to 68,525, 94,564.66 and 38,717 is: 53,429.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,525 : 94,564.66 = 38,717 : x
  2. Step 2: Convert to fraction form
    68,525/94,564.66 = 38,717/x
  3. Step 3: Cross multiply
    68,525x = 94,564.66 × 38,717
  4. Step 4: Simplify right side
    68,525x = 3,661,259,941.22
  5. Step 5: Solve for x
    x = 3,661,259,941.22/68,525
  6. Step 6: Final answer
    x = 53,429.55

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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.