Home / 75,712.22-113,515.28-33,569.54

Finding the Fourth Proportional to 75,712.22, 113,515.28 and 33,569.54

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Solution

The fourth proportional to 75,712.22, 113,515.28 and 33,569.54 is: 50,330.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,712.22 : 113,515.28 = 33,569.54 : x
  2. Step 2: Convert to fraction form
    75,712.22/113,515.28 = 33,569.54/x
  3. Step 3: Cross multiply
    75,712.22x = 113,515.28 × 33,569.54
  4. Step 4: Simplify right side
    75,712.22x = 3,810,655,732.57
  5. Step 5: Solve for x
    x = 3,810,655,732.57/75,712.22
  6. Step 6: Final answer
    x = 50,330.79

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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.