Home / 68,905.69-95,084.38-38,681.35

Finding the Fourth Proportional to 68,905.69, 95,084.38 and 38,681.35

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Solution

The fourth proportional to 68,905.69, 95,084.38 and 38,681.35 is: 53,377.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,905.69 : 95,084.38 = 38,681.35 : x
  2. Step 2: Convert to fraction form
    68,905.69/95,084.38 = 38,681.35/x
  3. Step 3: Cross multiply
    68,905.69x = 95,084.38 × 38,681.35
  4. Step 4: Simplify right side
    68,905.69x = 3,677,991,992.95
  5. Step 5: Solve for x
    x = 3,677,991,992.95/68,905.69
  6. Step 6: Final answer
    x = 53,377.19

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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.