Home / 53,942.80-80,933.40-52,022.80

Finding the Fourth Proportional to 53,942.80, 80,933.40 and 52,022.80

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Solution

The fourth proportional to 53,942.80, 80,933.40 and 52,022.80 is: 78,052.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,942.80 : 80,933.40 = 52,022.80 : x
  2. Step 2: Convert to fraction form
    53,942.80/80,933.40 = 52,022.80/x
  3. Step 3: Cross multiply
    53,942.80x = 80,933.40 × 52,022.80
  4. Step 4: Simplify right side
    53,942.80x = 4,210,382,081.52
  5. Step 5: Solve for x
    x = 4,210,382,081.52/53,942.80
  6. Step 6: Final answer
    x = 78,052.72

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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.