Home / 75,351.84-113,029.68-30,947.43

Finding the Fourth Proportional to 75,351.84, 113,029.68 and 30,947.43

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Solution

The fourth proportional to 75,351.84, 113,029.68 and 30,947.43 is: 46,421.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,351.84 : 113,029.68 = 30,947.43 : x
  2. Step 2: Convert to fraction form
    75,351.84/113,029.68 = 30,947.43/x
  3. Step 3: Cross multiply
    75,351.84x = 113,029.68 × 30,947.43
  4. Step 4: Simplify right side
    75,351.84x = 3,497,978,109.72
  5. Step 5: Solve for x
    x = 3,497,978,109.72/75,351.84
  6. Step 6: Final answer
    x = 46,421.93

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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.