Home / 87,682.80-131,351.40-50,703.60

Finding the Fourth Proportional to 87,682.80, 131,351.40 and 50,703.60

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Solution

The fourth proportional to 87,682.80, 131,351.40 and 50,703.60 is: 75,955.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,682.80 : 131,351.40 = 50,703.60 : x
  2. Step 2: Convert to fraction form
    87,682.80/131,351.40 = 50,703.60/x
  3. Step 3: Cross multiply
    87,682.80x = 131,351.40 × 50,703.60
  4. Step 4: Simplify right side
    87,682.80x = 6,659,988,845.04
  5. Step 5: Solve for x
    x = 6,659,988,845.04/87,682.80
  6. Step 6: Final answer
    x = 75,955.48

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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.