Home / 50,275.80-75,469.14-42,474.78

Finding the Fourth Proportional to 50,275.80, 75,469.14 and 42,474.78

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Solution

The fourth proportional to 50,275.80, 75,469.14 and 42,474.78 is: 63,759.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,275.80 : 75,469.14 = 42,474.78 : x
  2. Step 2: Convert to fraction form
    50,275.80/75,469.14 = 42,474.78/x
  3. Step 3: Cross multiply
    50,275.80x = 75,469.14 × 42,474.78
  4. Step 4: Simplify right side
    50,275.80x = 3,205,535,118.29
  5. Step 5: Solve for x
    x = 3,205,535,118.29/50,275.80
  6. Step 6: Final answer
    x = 63,759.01

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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.