Home / 68,786.32-94,930.01-38,169.45

Finding the Fourth Proportional to 68,786.32, 94,930.01 and 38,169.45

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Solution

The fourth proportional to 68,786.32, 94,930.01 and 38,169.45 is: 52,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,786.32 : 94,930.01 = 38,169.45 : x
  2. Step 2: Convert to fraction form
    68,786.32/94,930.01 = 38,169.45/x
  3. Step 3: Cross multiply
    68,786.32x = 94,930.01 × 38,169.45
  4. Step 4: Simplify right side
    68,786.32x = 3,623,426,270.19
  5. Step 5: Solve for x
    x = 3,623,426,270.19/68,786.32
  6. Step 6: Final answer
    x = 52,676.55

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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.