Home / 56,629.76-84,933.30-53,819.60

Finding the Fourth Proportional to 56,629.76, 84,933.30 and 53,819.60

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Solution

The fourth proportional to 56,629.76, 84,933.30 and 53,819.60 is: 80,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,629.76 : 84,933.30 = 53,819.60 : x
  2. Step 2: Convert to fraction form
    56,629.76/84,933.30 = 53,819.60/x
  3. Step 3: Cross multiply
    56,629.76x = 84,933.30 × 53,819.60
  4. Step 4: Simplify right side
    56,629.76x = 4,571,076,232.68
  5. Step 5: Solve for x
    x = 4,571,076,232.68/56,629.76
  6. Step 6: Final answer
    x = 80,718.62

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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.