Home / 75,628.55-113,416.38-22,306.39

Finding the Fourth Proportional to 75,628.55, 113,416.38 and 22,306.39

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Solution

The fourth proportional to 75,628.55, 113,416.38 and 22,306.39 is: 33,451.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.55 : 113,416.38 = 22,306.39 : x
  2. Step 2: Convert to fraction form
    75,628.55/113,416.38 = 22,306.39/x
  3. Step 3: Cross multiply
    75,628.55x = 113,416.38 × 22,306.39
  4. Step 4: Simplify right side
    75,628.55x = 2,529,910,004.67
  5. Step 5: Solve for x
    x = 2,529,910,004.67/75,628.55
  6. Step 6: Final answer
    x = 33,451.79

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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.