Home / 87,932.36-121,344.02-50,199.24

Finding the Fourth Proportional to 87,932.36, 121,344.02 and 50,199.24

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Solution

The fourth proportional to 87,932.36, 121,344.02 and 50,199.24 is: 69,273.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,932.36 : 121,344.02 = 50,199.24 : x
  2. Step 2: Convert to fraction form
    87,932.36/121,344.02 = 50,199.24/x
  3. Step 3: Cross multiply
    87,932.36x = 121,344.02 × 50,199.24
  4. Step 4: Simplify right side
    87,932.36x = 6,091,377,582.54
  5. Step 5: Solve for x
    x = 6,091,377,582.54/87,932.36
  6. Step 6: Final answer
    x = 69,273.45

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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.