Home / 92,279.03-138,425.36-33,115.21

Finding the Fourth Proportional to 92,279.03, 138,425.36 and 33,115.21

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Solution

The fourth proportional to 92,279.03, 138,425.36 and 33,115.21 is: 49,675.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,279.03 : 138,425.36 = 33,115.21 : x
  2. Step 2: Convert to fraction form
    92,279.03/138,425.36 = 33,115.21/x
  3. Step 3: Cross multiply
    92,279.03x = 138,425.36 × 33,115.21
  4. Step 4: Simplify right side
    92,279.03x = 4,583,984,354.09
  5. Step 5: Solve for x
    x = 4,583,984,354.09/92,279.03
  6. Step 6: Final answer
    x = 49,675.26

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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.