Home / 92,083.15-138,198.53-47,722.58

Finding the Fourth Proportional to 92,083.15, 138,198.53 and 47,722.58

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Solution

The fourth proportional to 92,083.15, 138,198.53 and 47,722.58 is: 71,622.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,083.15 : 138,198.53 = 47,722.58 : x
  2. Step 2: Convert to fraction form
    92,083.15/138,198.53 = 47,722.58/x
  3. Step 3: Cross multiply
    92,083.15x = 138,198.53 × 47,722.58
  4. Step 4: Simplify right side
    92,083.15x = 6,595,190,868.61
  5. Step 5: Solve for x
    x = 6,595,190,868.61/92,083.15
  6. Step 6: Final answer
    x = 71,622.13

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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.