Home / 92,530.76-138,138.82-89,250.26

Finding the Fourth Proportional to 92,530.76, 138,138.82 and 89,250.26

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Solution

The fourth proportional to 92,530.76, 138,138.82 and 89,250.26 is: 133,241.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,530.76 : 138,138.82 = 89,250.26 : x
  2. Step 2: Convert to fraction form
    92,530.76/138,138.82 = 89,250.26/x
  3. Step 3: Cross multiply
    92,530.76x = 138,138.82 × 89,250.26
  4. Step 4: Simplify right side
    92,530.76x = 12,328,924,687.27
  5. Step 5: Solve for x
    x = 12,328,924,687.27/92,530.76
  6. Step 6: Final answer
    x = 133,241.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.