Home / 87,933.36-121,345.40-50,200.24

Finding the Fourth Proportional to 87,933.36, 121,345.40 and 50,200.24

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Solution

The fourth proportional to 87,933.36, 121,345.40 and 50,200.24 is: 69,274.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,933.36 : 121,345.40 = 50,200.24 : x
  2. Step 2: Convert to fraction form
    87,933.36/121,345.40 = 50,200.24/x
  3. Step 3: Cross multiply
    87,933.36x = 121,345.40 × 50,200.24
  4. Step 4: Simplify right side
    87,933.36x = 6,091,568,202.90
  5. Step 5: Solve for x
    x = 6,091,568,202.90/87,933.36
  6. Step 6: Final answer
    x = 69,274.83

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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.