Home / 43,464.80-65,132.40-36,855.20

Finding the Fourth Proportional to 43,464.80, 65,132.40 and 36,855.20

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Solution

The fourth proportional to 43,464.80, 65,132.40 and 36,855.20 is: 55,227.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,464.80 : 65,132.40 = 36,855.20 : x
  2. Step 2: Convert to fraction form
    43,464.80/65,132.40 = 36,855.20/x
  3. Step 3: Cross multiply
    43,464.80x = 65,132.40 × 36,855.20
  4. Step 4: Simplify right side
    43,464.80x = 2,400,467,628.48
  5. Step 5: Solve for x
    x = 2,400,467,628.48/43,464.80
  6. Step 6: Final answer
    x = 55,227.85

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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.