Home / 85,954.54-118,619.31-48,231.58

Finding the Fourth Proportional to 85,954.54, 118,619.31 and 48,231.58

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Solution

The fourth proportional to 85,954.54, 118,619.31 and 48,231.58 is: 66,560.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,954.54 : 118,619.31 = 48,231.58 : x
  2. Step 2: Convert to fraction form
    85,954.54/118,619.31 = 48,231.58/x
  3. Step 3: Cross multiply
    85,954.54x = 118,619.31 × 48,231.58
  4. Step 4: Simplify right side
    85,954.54x = 5,721,196,739.81
  5. Step 5: Solve for x
    x = 5,721,196,739.81/85,954.54
  6. Step 6: Final answer
    x = 66,560.73

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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.