Home / 75,378.33-113,076.41-33,240.51

Finding the Fourth Proportional to 75,378.33, 113,076.41 and 33,240.51

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Solution

The fourth proportional to 75,378.33, 113,076.41 and 33,240.51 is: 49,864.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,378.33 : 113,076.41 = 33,240.51 : x
  2. Step 2: Convert to fraction form
    75,378.33/113,076.41 = 33,240.51/x
  3. Step 3: Cross multiply
    75,378.33x = 113,076.41 × 33,240.51
  4. Step 4: Simplify right side
    75,378.33x = 3,758,717,371.17
  5. Step 5: Solve for x
    x = 3,758,717,371.17/75,378.33
  6. Step 6: Final answer
    x = 49,864.69

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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.