Home / 75,594.70-113,383.24-28,211.42

Finding the Fourth Proportional to 75,594.70, 113,383.24 and 28,211.42

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Solution

The fourth proportional to 75,594.70, 113,383.24 and 28,211.42 is: 42,313.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,594.70 : 113,383.24 = 28,211.42 : x
  2. Step 2: Convert to fraction form
    75,594.70/113,383.24 = 28,211.42/x
  3. Step 3: Cross multiply
    75,594.70x = 113,383.24 × 28,211.42
  4. Step 4: Simplify right side
    75,594.70x = 3,198,701,496.63
  5. Step 5: Solve for x
    x = 3,198,701,496.63/75,594.70
  6. Step 6: Final answer
    x = 42,313.84

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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.