Home / 87,119.84-130,644.57-33,783.73

Finding the Fourth Proportional to 87,119.84, 130,644.57 and 33,783.73

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Solution

The fourth proportional to 87,119.84, 130,644.57 and 33,783.73 is: 50,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,119.84 : 130,644.57 = 33,783.73 : x
  2. Step 2: Convert to fraction form
    87,119.84/130,644.57 = 33,783.73/x
  3. Step 3: Cross multiply
    87,119.84x = 130,644.57 × 33,783.73
  4. Step 4: Simplify right side
    87,119.84x = 4,413,660,878.85
  5. Step 5: Solve for x
    x = 4,413,660,878.85/87,119.84
  6. Step 6: Final answer
    x = 50,661.95

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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.