Home / 86,200.53-118,954.46-47,960.15

Finding the Fourth Proportional to 86,200.53, 118,954.46 and 47,960.15

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Solution

The fourth proportional to 86,200.53, 118,954.46 and 47,960.15 is: 66,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,200.53 : 118,954.46 = 47,960.15 : x
  2. Step 2: Convert to fraction form
    86,200.53/118,954.46 = 47,960.15/x
  3. Step 3: Cross multiply
    86,200.53x = 118,954.46 × 47,960.15
  4. Step 4: Simplify right side
    86,200.53x = 5,705,073,871.57
  5. Step 5: Solve for x
    x = 5,705,073,871.57/86,200.53
  6. Step 6: Final answer
    x = 66,183.75

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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.