Home / 68,484.36-94,517.82-39,412.13

Finding the Fourth Proportional to 68,484.36, 94,517.82 and 39,412.13

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Solution

The fourth proportional to 68,484.36, 94,517.82 and 39,412.13 is: 54,394.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,484.36 : 94,517.82 = 39,412.13 : x
  2. Step 2: Convert to fraction form
    68,484.36/94,517.82 = 39,412.13/x
  3. Step 3: Cross multiply
    68,484.36x = 94,517.82 × 39,412.13
  4. Step 4: Simplify right side
    68,484.36x = 3,725,148,845.45
  5. Step 5: Solve for x
    x = 3,725,148,845.45/68,484.36
  6. Step 6: Final answer
    x = 54,394.15

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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.