Home / 48,703.20-73,049.40-39,922.80

Finding the Fourth Proportional to 48,703.20, 73,049.40 and 39,922.80

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Solution

The fourth proportional to 48,703.20, 73,049.40 and 39,922.80 is: 59,879.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,703.20 : 73,049.40 = 39,922.80 : x
  2. Step 2: Convert to fraction form
    48,703.20/73,049.40 = 39,922.80/x
  3. Step 3: Cross multiply
    48,703.20x = 73,049.40 × 39,922.80
  4. Step 4: Simplify right side
    48,703.20x = 2,916,336,586.32
  5. Step 5: Solve for x
    x = 2,916,336,586.32/48,703.20
  6. Step 6: Final answer
    x = 59,879.77

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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.