Home / 85,919.44-118,562.76-47,680.96

Finding the Fourth Proportional to 85,919.44, 118,562.76 and 47,680.96

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Solution

The fourth proportional to 85,919.44, 118,562.76 and 47,680.96 is: 65,796.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,919.44 : 118,562.76 = 47,680.96 : x
  2. Step 2: Convert to fraction form
    85,919.44/118,562.76 = 47,680.96/x
  3. Step 3: Cross multiply
    85,919.44x = 118,562.76 × 47,680.96
  4. Step 4: Simplify right side
    85,919.44x = 5,653,186,217.05
  5. Step 5: Solve for x
    x = 5,653,186,217.05/85,919.44
  6. Step 6: Final answer
    x = 65,796.36

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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.