Home / 57,775.20-86,727.60-44,685.60

Finding the Fourth Proportional to 57,775.20, 86,727.60 and 44,685.60

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Solution

The fourth proportional to 57,775.20, 86,727.60 and 44,685.60 is: 67,078.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,775.20 : 86,727.60 = 44,685.60 : x
  2. Step 2: Convert to fraction form
    57,775.20/86,727.60 = 44,685.60/x
  3. Step 3: Cross multiply
    57,775.20x = 86,727.60 × 44,685.60
  4. Step 4: Simplify right side
    57,775.20x = 3,875,474,842.56
  5. Step 5: Solve for x
    x = 3,875,474,842.56/57,775.20
  6. Step 6: Final answer
    x = 67,078.52

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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.