Home / 87,135.25-130,632.51-33,799.69

Finding the Fourth Proportional to 87,135.25, 130,632.51 and 33,799.69

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Solution

The fourth proportional to 87,135.25, 130,632.51 and 33,799.69 is: 50,672.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,135.25 : 130,632.51 = 33,799.69 : x
  2. Step 2: Convert to fraction form
    87,135.25/130,632.51 = 33,799.69/x
  3. Step 3: Cross multiply
    87,135.25x = 130,632.51 × 33,799.69
  4. Step 4: Simplify right side
    87,135.25x = 4,415,338,341.92
  5. Step 5: Solve for x
    x = 4,415,338,341.92/87,135.25
  6. Step 6: Final answer
    x = 50,672.24

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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.