Home / 87,095.79-130,655.43-33,786.45

Finding the Fourth Proportional to 87,095.79, 130,655.43 and 33,786.45

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Solution

The fourth proportional to 87,095.79, 130,655.43 and 33,786.45 is: 50,684.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,095.79 : 130,655.43 = 33,786.45 : x
  2. Step 2: Convert to fraction form
    87,095.79/130,655.43 = 33,786.45/x
  3. Step 3: Cross multiply
    87,095.79x = 130,655.43 × 33,786.45
  4. Step 4: Simplify right side
    87,095.79x = 4,414,383,152.92
  5. Step 5: Solve for x
    x = 4,414,383,152.92/87,095.79
  6. Step 6: Final answer
    x = 50,684.23

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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.