Home / 85,876.44-118,511.82-48,149.88

Finding the Fourth Proportional to 85,876.44, 118,511.82 and 48,149.88

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Solution

The fourth proportional to 85,876.44, 118,511.82 and 48,149.88 is: 66,448.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,876.44 : 118,511.82 = 48,149.88 : x
  2. Step 2: Convert to fraction form
    85,876.44/118,511.82 = 48,149.88/x
  3. Step 3: Cross multiply
    85,876.44x = 118,511.82 × 48,149.88
  4. Step 4: Simplify right side
    85,876.44x = 5,706,329,911.58
  5. Step 5: Solve for x
    x = 5,706,329,911.58/85,876.44
  6. Step 6: Final answer
    x = 66,448.14

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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.