Home / 92,806.97-139,031.24-55,396.85

Finding the Fourth Proportional to 92,806.97, 139,031.24 and 55,396.85

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Solution

The fourth proportional to 92,806.97, 139,031.24 and 55,396.85 is: 82,988.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,806.97 : 139,031.24 = 55,396.85 : x
  2. Step 2: Convert to fraction form
    92,806.97/139,031.24 = 55,396.85/x
  3. Step 3: Cross multiply
    92,806.97x = 139,031.24 × 55,396.85
  4. Step 4: Simplify right side
    92,806.97x = 7,701,891,775.45
  5. Step 5: Solve for x
    x = 7,701,891,775.45/92,806.97
  6. Step 6: Final answer
    x = 82,988.29

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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.