Home / 75,548.80-113,323.20-50,665.60

Finding the Fourth Proportional to 75,548.80, 113,323.20 and 50,665.60

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Solution

The fourth proportional to 75,548.80, 113,323.20 and 50,665.60 is: 75,998.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,548.80 : 113,323.20 = 50,665.60 : x
  2. Step 2: Convert to fraction form
    75,548.80/113,323.20 = 50,665.60/x
  3. Step 3: Cross multiply
    75,548.80x = 113,323.20 × 50,665.60
  4. Step 4: Simplify right side
    75,548.80x = 5,741,587,921.92
  5. Step 5: Solve for x
    x = 5,741,587,921.92/75,548.80
  6. Step 6: Final answer
    x = 75,998.40

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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.