Home / 74,408.63-111,462.89-34,371.14

Finding the Fourth Proportional to 74,408.63, 111,462.89 and 34,371.14

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Solution

The fourth proportional to 74,408.63, 111,462.89 and 34,371.14 is: 51,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,408.63 : 111,462.89 = 34,371.14 : x
  2. Step 2: Convert to fraction form
    74,408.63/111,462.89 = 34,371.14/x
  3. Step 3: Cross multiply
    74,408.63x = 111,462.89 × 34,371.14
  4. Step 4: Simplify right side
    74,408.63x = 3,831,105,867.82
  5. Step 5: Solve for x
    x = 3,831,105,867.82/74,408.63
  6. Step 6: Final answer
    x = 51,487.39

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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.