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Finding the Fourth Proportional to 68,377, 94,360.38 and 38,569

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Solution

The fourth proportional to 68,377, 94,360.38 and 38,569 is: 53,225.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,377 : 94,360.38 = 38,569 : x
  2. Step 2: Convert to fraction form
    68,377/94,360.38 = 38,569/x
  3. Step 3: Cross multiply
    68,377x = 94,360.38 × 38,569
  4. Step 4: Simplify right side
    68,377x = 3,639,385,496.22
  5. Step 5: Solve for x
    x = 3,639,385,496.22/68,377
  6. Step 6: Final answer
    x = 53,225.29

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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.