Home / 57,717.20-86,640.60-44,627.60

Finding the Fourth Proportional to 57,717.20, 86,640.60 and 44,627.60

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Solution

The fourth proportional to 57,717.20, 86,640.60 and 44,627.60 is: 66,991.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,717.20 : 86,640.60 = 44,627.60 : x
  2. Step 2: Convert to fraction form
    57,717.20/86,640.60 = 44,627.60/x
  3. Step 3: Cross multiply
    57,717.20x = 86,640.60 × 44,627.60
  4. Step 4: Simplify right side
    57,717.20x = 3,866,562,040.56
  5. Step 5: Solve for x
    x = 3,866,562,040.56/57,717.20
  6. Step 6: Final answer
    x = 66,991.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.