Home / 50,052.99-69,080.88-28,542.78

Finding the Fourth Proportional to 50,052.99, 69,080.88 and 28,542.78

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Solution

The fourth proportional to 50,052.99, 69,080.88 and 28,542.78 is: 39,393.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,052.99 : 69,080.88 = 28,542.78 : x
  2. Step 2: Convert to fraction form
    50,052.99/69,080.88 = 28,542.78/x
  3. Step 3: Cross multiply
    50,052.99x = 69,080.88 × 28,542.78
  4. Step 4: Simplify right side
    50,052.99x = 1,971,760,226.25
  5. Step 5: Solve for x
    x = 1,971,760,226.25/50,052.99
  6. Step 6: Final answer
    x = 39,393.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.