Home / 50,111.51-75,175.70-18,521.66

Finding the Fourth Proportional to 50,111.51, 75,175.70 and 18,521.66

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Solution

The fourth proportional to 50,111.51, 75,175.70 and 18,521.66 is: 27,785.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,111.51 : 75,175.70 = 18,521.66 : x
  2. Step 2: Convert to fraction form
    50,111.51/75,175.70 = 18,521.66/x
  3. Step 3: Cross multiply
    50,111.51x = 75,175.70 × 18,521.66
  4. Step 4: Simplify right side
    50,111.51x = 1,392,378,850.99
  5. Step 5: Solve for x
    x = 1,392,378,850.99/50,111.51
  6. Step 6: Final answer
    x = 27,785.61

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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.