Home / 68,394.54-94,389.24-38,185.80

Finding the Fourth Proportional to 68,394.54, 94,389.24 and 38,185.80

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Solution

The fourth proportional to 68,394.54, 94,389.24 and 38,185.80 is: 52,699.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,394.54 : 94,389.24 = 38,185.80 : x
  2. Step 2: Convert to fraction form
    68,394.54/94,389.24 = 38,185.80/x
  3. Step 3: Cross multiply
    68,394.54x = 94,389.24 × 38,185.80
  4. Step 4: Simplify right side
    68,394.54x = 3,604,328,640.79
  5. Step 5: Solve for x
    x = 3,604,328,640.79/68,394.54
  6. Step 6: Final answer
    x = 52,699.07

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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.