Home / 85,449.90-117,917.25-49,148.58

Finding the Fourth Proportional to 85,449.90, 117,917.25 and 49,148.58

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Solution

The fourth proportional to 85,449.90, 117,917.25 and 49,148.58 is: 67,822.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,449.90 : 117,917.25 = 49,148.58 : x
  2. Step 2: Convert to fraction form
    85,449.90/117,917.25 = 49,148.58/x
  3. Step 3: Cross multiply
    85,449.90x = 117,917.25 × 49,148.58
  4. Step 4: Simplify right side
    85,449.90x = 5,795,465,395.01
  5. Step 5: Solve for x
    x = 5,795,465,395.01/85,449.90
  6. Step 6: Final answer
    x = 67,822.96

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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.