Home / 53,660.80-80,399.84-34,912.32

Finding the Fourth Proportional to 53,660.80, 80,399.84 and 34,912.32

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Solution

The fourth proportional to 53,660.80, 80,399.84 and 34,912.32 is: 52,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,660.80 : 80,399.84 = 34,912.32 : x
  2. Step 2: Convert to fraction form
    53,660.80/80,399.84 = 34,912.32/x
  3. Step 3: Cross multiply
    53,660.80x = 80,399.84 × 34,912.32
  4. Step 4: Simplify right side
    53,660.80x = 2,806,944,942.03
  5. Step 5: Solve for x
    x = 2,806,944,942.03/53,660.80
  6. Step 6: Final answer
    x = 52,309.04

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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.