Home / 92,168.35-138,031.05-52,605.52

Finding the Fourth Proportional to 92,168.35, 138,031.05 and 52,605.52

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Solution

The fourth proportional to 92,168.35, 138,031.05 and 52,605.52 is: 78,781.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,168.35 : 138,031.05 = 52,605.52 : x
  2. Step 2: Convert to fraction form
    92,168.35/138,031.05 = 52,605.52/x
  3. Step 3: Cross multiply
    92,168.35x = 138,031.05 × 52,605.52
  4. Step 4: Simplify right side
    92,168.35x = 7,261,195,161.40
  5. Step 5: Solve for x
    x = 7,261,195,161.40/92,168.35
  6. Step 6: Final answer
    x = 78,781.87

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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.