Home / 51,878.05-77,767.26-33,105.09

Finding the Fourth Proportional to 51,878.05, 77,767.26 and 33,105.09

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Solution

The fourth proportional to 51,878.05, 77,767.26 and 33,105.09 is: 49,625.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,878.05 : 77,767.26 = 33,105.09 : x
  2. Step 2: Convert to fraction form
    51,878.05/77,767.26 = 33,105.09/x
  3. Step 3: Cross multiply
    51,878.05x = 77,767.26 × 33,105.09
  4. Step 4: Simplify right side
    51,878.05x = 2,574,492,141.35
  5. Step 5: Solve for x
    x = 2,574,492,141.35/51,878.05
  6. Step 6: Final answer
    x = 49,625.85

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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.