Home / 68,445.41-102,667.66-27,918.77

Finding the Fourth Proportional to 68,445.41, 102,667.66 and 27,918.77

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Solution

The fourth proportional to 68,445.41, 102,667.66 and 27,918.77 is: 41,877.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,445.41 : 102,667.66 = 27,918.77 : x
  2. Step 2: Convert to fraction form
    68,445.41/102,667.66 = 27,918.77/x
  3. Step 3: Cross multiply
    68,445.41x = 102,667.66 × 27,918.77
  4. Step 4: Simplify right side
    68,445.41x = 2,866,354,202.84
  5. Step 5: Solve for x
    x = 2,866,354,202.84/68,445.41
  6. Step 6: Final answer
    x = 41,877.96

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.