Home / 86,103.18-118,817.82-48,375

Finding the Fourth Proportional to 86,103.18, 118,817.82 and 48,375

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Solution

The fourth proportional to 86,103.18, 118,817.82 and 48,375 is: 66,754.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,103.18 : 118,817.82 = 48,375 : x
  2. Step 2: Convert to fraction form
    86,103.18/118,817.82 = 48,375/x
  3. Step 3: Cross multiply
    86,103.18x = 118,817.82 × 48,375
  4. Step 4: Simplify right side
    86,103.18x = 5,747,812,042.50
  5. Step 5: Solve for x
    x = 5,747,812,042.50/86,103.18
  6. Step 6: Final answer
    x = 66,754.93

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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.