Home / 83,816.60-125,615.55-33,855.80

Finding the Fourth Proportional to 83,816.60, 125,615.55 and 33,855.80

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Solution

The fourth proportional to 83,816.60, 125,615.55 and 33,855.80 is: 50,739.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,816.60 : 125,615.55 = 33,855.80 : x
  2. Step 2: Convert to fraction form
    83,816.60/125,615.55 = 33,855.80/x
  3. Step 3: Cross multiply
    83,816.60x = 125,615.55 × 33,855.80
  4. Step 4: Simplify right side
    83,816.60x = 4,252,814,937.69
  5. Step 5: Solve for x
    x = 4,252,814,937.69/83,816.60
  6. Step 6: Final answer
    x = 50,739.53

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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.