Home / 57,429.20-86,208.60-44,339.60

Finding the Fourth Proportional to 57,429.20, 86,208.60 and 44,339.60

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Solution

The fourth proportional to 57,429.20, 86,208.60 and 44,339.60 is: 66,559.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,429.20 : 86,208.60 = 44,339.60 : x
  2. Step 2: Convert to fraction form
    57,429.20/86,208.60 = 44,339.60/x
  3. Step 3: Cross multiply
    57,429.20x = 86,208.60 × 44,339.60
  4. Step 4: Simplify right side
    57,429.20x = 3,822,454,840.56
  5. Step 5: Solve for x
    x = 3,822,454,840.56/57,429.20
  6. Step 6: Final answer
    x = 66,559.43

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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.