Home / 75,778.20-113,667.87-33,646.94

Finding the Fourth Proportional to 75,778.20, 113,667.87 and 33,646.94

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Solution

The fourth proportional to 75,778.20, 113,667.87 and 33,646.94 is: 50,470.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778.20 : 113,667.87 = 33,646.94 : x
  2. Step 2: Convert to fraction form
    75,778.20/113,667.87 = 33,646.94/x
  3. Step 3: Cross multiply
    75,778.20x = 113,667.87 × 33,646.94
  4. Step 4: Simplify right side
    75,778.20x = 3,824,576,001.82
  5. Step 5: Solve for x
    x = 3,824,576,001.82/75,778.20
  6. Step 6: Final answer
    x = 50,470.66

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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.