Home / 48,687.20-73,025.40-39,906.80

Finding the Fourth Proportional to 48,687.20, 73,025.40 and 39,906.80

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Solution

The fourth proportional to 48,687.20, 73,025.40 and 39,906.80 is: 59,855.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,687.20 : 73,025.40 = 39,906.80 : x
  2. Step 2: Convert to fraction form
    48,687.20/73,025.40 = 39,906.80/x
  3. Step 3: Cross multiply
    48,687.20x = 73,025.40 × 39,906.80
  4. Step 4: Simplify right side
    48,687.20x = 2,914,210,032.72
  5. Step 5: Solve for x
    x = 2,914,210,032.72/48,687.20
  6. Step 6: Final answer
    x = 59,855.77

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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.