Home / 50,691.60-76,110.30-39,610.80

Finding the Fourth Proportional to 50,691.60, 76,110.30 and 39,610.80

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Solution

The fourth proportional to 50,691.60, 76,110.30 and 39,610.80 is: 59,473.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,691.60 : 76,110.30 = 39,610.80 : x
  2. Step 2: Convert to fraction form
    50,691.60/76,110.30 = 39,610.80/x
  3. Step 3: Cross multiply
    50,691.60x = 76,110.30 × 39,610.80
  4. Step 4: Simplify right side
    50,691.60x = 3,014,789,871.24
  5. Step 5: Solve for x
    x = 3,014,789,871.24/50,691.60
  6. Step 6: Final answer
    x = 59,473.16

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1.5x scale

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.