Home / 69,655.20-104,540.40-32,272.80

Finding the Fourth Proportional to 69,655.20, 104,540.40 and 32,272.80

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Solution

The fourth proportional to 69,655.20, 104,540.40 and 32,272.80 is: 48,435.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,655.20 : 104,540.40 = 32,272.80 : x
  2. Step 2: Convert to fraction form
    69,655.20/104,540.40 = 32,272.80/x
  3. Step 3: Cross multiply
    69,655.20x = 104,540.40 × 32,272.80
  4. Step 4: Simplify right side
    69,655.20x = 3,373,811,421.12
  5. Step 5: Solve for x
    x = 3,373,811,421.12/69,655.20
  6. Step 6: Final answer
    x = 48,435.89

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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.