Home / 50,138.16-69,190.65-27,782.16

Finding the Fourth Proportional to 50,138.16, 69,190.65 and 27,782.16

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Solution

The fourth proportional to 50,138.16, 69,190.65 and 27,782.16 is: 38,339.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,138.16 : 69,190.65 = 27,782.16 : x
  2. Step 2: Convert to fraction form
    50,138.16/69,190.65 = 27,782.16/x
  3. Step 3: Cross multiply
    50,138.16x = 69,190.65 × 27,782.16
  4. Step 4: Simplify right side
    50,138.16x = 1,922,265,708.80
  5. Step 5: Solve for x
    x = 1,922,265,708.80/50,138.16
  6. Step 6: Final answer
    x = 38,339.37

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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.