Home / 47,808.48-71,618.16-32,778.72

Finding the Fourth Proportional to 47,808.48, 71,618.16 and 32,778.72

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Solution

The fourth proportional to 47,808.48, 71,618.16 and 32,778.72 is: 49,103.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,808.48 : 71,618.16 = 32,778.72 : x
  2. Step 2: Convert to fraction form
    47,808.48/71,618.16 = 32,778.72/x
  3. Step 3: Cross multiply
    47,808.48x = 71,618.16 × 32,778.72
  4. Step 4: Simplify right side
    47,808.48x = 2,347,551,613.56
  5. Step 5: Solve for x
    x = 2,347,551,613.56/47,808.48
  6. Step 6: Final answer
    x = 49,103.25

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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.