Home / 92,600.64-138,872.34-33,428.66

Finding the Fourth Proportional to 92,600.64, 138,872.34 and 33,428.66

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Solution

The fourth proportional to 92,600.64, 138,872.34 and 33,428.66 is: 50,132.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,600.64 : 138,872.34 = 33,428.66 : x
  2. Step 2: Convert to fraction form
    92,600.64/138,872.34 = 33,428.66/x
  3. Step 3: Cross multiply
    92,600.64x = 138,872.34 × 33,428.66
  4. Step 4: Simplify right side
    92,600.64x = 4,642,315,542.90
  5. Step 5: Solve for x
    x = 4,642,315,542.90/92,600.64
  6. Step 6: Final answer
    x = 50,132.65

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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.