Home / 49,542.43-74,314.80-12,102.82

Finding the Fourth Proportional to 49,542.43, 74,314.80 and 12,102.82

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Solution

The fourth proportional to 49,542.43, 74,314.80 and 12,102.82 is: 18,154.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,542.43 : 74,314.80 = 12,102.82 : x
  2. Step 2: Convert to fraction form
    49,542.43/74,314.80 = 12,102.82/x
  3. Step 3: Cross multiply
    49,542.43x = 74,314.80 × 12,102.82
  4. Step 4: Simplify right side
    49,542.43x = 899,418,647.74
  5. Step 5: Solve for x
    x = 899,418,647.74/49,542.43
  6. Step 6: Final answer
    x = 18,154.51

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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.