Home / 73,239.20-109,858.80-33,784.64

Finding the Fourth Proportional to 73,239.20, 109,858.80 and 33,784.64

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Solution

The fourth proportional to 73,239.20, 109,858.80 and 33,784.64 is: 50,676.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,239.20 : 109,858.80 = 33,784.64 : x
  2. Step 2: Convert to fraction form
    73,239.20/109,858.80 = 33,784.64/x
  3. Step 3: Cross multiply
    73,239.20x = 109,858.80 × 33,784.64
  4. Step 4: Simplify right side
    73,239.20x = 3,711,540,008.83
  5. Step 5: Solve for x
    x = 3,711,540,008.83/73,239.20
  6. Step 6: Final answer
    x = 50,676.96

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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.