Home / 75,780.20-113,670.87-33,648.94

Finding the Fourth Proportional to 75,780.20, 113,670.87 and 33,648.94

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Solution

The fourth proportional to 75,780.20, 113,670.87 and 33,648.94 is: 50,473.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,780.20 : 113,670.87 = 33,648.94 : x
  2. Step 2: Convert to fraction form
    75,780.20/113,670.87 = 33,648.94/x
  3. Step 3: Cross multiply
    75,780.20x = 113,670.87 × 33,648.94
  4. Step 4: Simplify right side
    75,780.20x = 3,824,904,284.38
  5. Step 5: Solve for x
    x = 3,824,904,284.38/75,780.20
  6. Step 6: Final answer
    x = 50,473.66

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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.