Home / 74,408.82-111,623.58-39,350.94

Finding the Fourth Proportional to 74,408.82, 111,623.58 and 39,350.94

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Solution

The fourth proportional to 74,408.82, 111,623.58 and 39,350.94 is: 59,031.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,408.82 : 111,623.58 = 39,350.94 : x
  2. Step 2: Convert to fraction form
    74,408.82/111,623.58 = 39,350.94/x
  3. Step 3: Cross multiply
    74,408.82x = 111,623.58 × 39,350.94
  4. Step 4: Simplify right side
    74,408.82x = 4,392,492,799.17
  5. Step 5: Solve for x
    x = 4,392,492,799.17/74,408.82
  6. Step 6: Final answer
    x = 59,031.88

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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.