Home / 86,056.46-118,759.44-47,819.54

Finding the Fourth Proportional to 86,056.46, 118,759.44 and 47,819.54

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Solution

The fourth proportional to 86,056.46, 118,759.44 and 47,819.54 is: 65,991.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,056.46 : 118,759.44 = 47,819.54 : x
  2. Step 2: Convert to fraction form
    86,056.46/118,759.44 = 47,819.54/x
  3. Step 3: Cross multiply
    86,056.46x = 118,759.44 × 47,819.54
  4. Step 4: Simplify right side
    86,056.46x = 5,679,021,791.46
  5. Step 5: Solve for x
    x = 5,679,021,791.46/86,056.46
  6. Step 6: Final answer
    x = 65,991.81

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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.