Home / 92,272.20-138,408.39-25,712.52

Finding the Fourth Proportional to 92,272.20, 138,408.39 and 25,712.52

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Solution

The fourth proportional to 92,272.20, 138,408.39 and 25,712.52 is: 38,568.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,272.20 : 138,408.39 = 25,712.52 : x
  2. Step 2: Convert to fraction form
    92,272.20/138,408.39 = 25,712.52/x
  3. Step 3: Cross multiply
    92,272.20x = 138,408.39 × 25,712.52
  4. Step 4: Simplify right side
    92,272.20x = 3,558,828,496.04
  5. Step 5: Solve for x
    x = 3,558,828,496.04/92,272.20
  6. Step 6: Final answer
    x = 38,568.81

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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.