Home / 73,939.68-110,905.92-27,189.60

Finding the Fourth Proportional to 73,939.68, 110,905.92 and 27,189.60

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Solution

The fourth proportional to 73,939.68, 110,905.92 and 27,189.60 is: 40,783.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,939.68 : 110,905.92 = 27,189.60 : x
  2. Step 2: Convert to fraction form
    73,939.68/110,905.92 = 27,189.60/x
  3. Step 3: Cross multiply
    73,939.68x = 110,905.92 × 27,189.60
  4. Step 4: Simplify right side
    73,939.68x = 3,015,487,602.43
  5. Step 5: Solve for x
    x = 3,015,487,602.43/73,939.68
  6. Step 6: Final answer
    x = 40,783.08

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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.