Home / 57,533.96-86,321.72-20,099.56

Finding the Fourth Proportional to 57,533.96, 86,321.72 and 20,099.56

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Solution

The fourth proportional to 57,533.96, 86,321.72 and 20,099.56 is: 30,156.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,533.96 : 86,321.72 = 20,099.56 : x
  2. Step 2: Convert to fraction form
    57,533.96/86,321.72 = 20,099.56/x
  3. Step 3: Cross multiply
    57,533.96x = 86,321.72 × 20,099.56
  4. Step 4: Simplify right side
    57,533.96x = 1,735,028,590.44
  5. Step 5: Solve for x
    x = 1,735,028,590.44/57,533.96
  6. Step 6: Final answer
    x = 30,156.60

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1.5x scale

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.