Home / 86,170.73-118,913.90-47,928.97

Finding the Fourth Proportional to 86,170.73, 118,913.90 and 47,928.97

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Solution

The fourth proportional to 86,170.73, 118,913.90 and 47,928.97 is: 66,141.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,170.73 : 118,913.90 = 47,928.97 : x
  2. Step 2: Convert to fraction form
    86,170.73/118,913.90 = 47,928.97/x
  3. Step 3: Cross multiply
    86,170.73x = 118,913.90 × 47,928.97
  4. Step 4: Simplify right side
    86,170.73x = 5,699,420,745.68
  5. Step 5: Solve for x
    x = 5,699,420,745.68/86,170.73
  6. Step 6: Final answer
    x = 66,141.03

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1.5x scale

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.