Home / 92,759.11-139,138.76-22,638.42

Finding the Fourth Proportional to 92,759.11, 139,138.76 and 22,638.42

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Solution

The fourth proportional to 92,759.11, 139,138.76 and 22,638.42 is: 33,957.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,759.11 : 139,138.76 = 22,638.42 : x
  2. Step 2: Convert to fraction form
    92,759.11/139,138.76 = 22,638.42/x
  3. Step 3: Cross multiply
    92,759.11x = 139,138.76 × 22,638.42
  4. Step 4: Simplify right side
    92,759.11x = 3,149,881,743.76
  5. Step 5: Solve for x
    x = 3,149,881,743.76/92,759.11
  6. Step 6: Final answer
    x = 33,957.65

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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.