Home / 87,133.79-130,708.49-33,824.52

Finding the Fourth Proportional to 87,133.79, 130,708.49 and 33,824.52

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Solution

The fourth proportional to 87,133.79, 130,708.49 and 33,824.52 is: 50,739.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,133.79 : 130,708.49 = 33,824.52 : x
  2. Step 2: Convert to fraction form
    87,133.79/130,708.49 = 33,824.52/x
  3. Step 3: Cross multiply
    87,133.79x = 130,708.49 × 33,824.52
  4. Step 4: Simplify right side
    87,133.79x = 4,421,151,765.05
  5. Step 5: Solve for x
    x = 4,421,151,765.05/87,133.79
  6. Step 6: Final answer
    x = 50,739.81

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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.