Home / 83,942.55-125,936.10-36,537.30

Finding the Fourth Proportional to 83,942.55, 125,936.10 and 36,537.30

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Solution

The fourth proportional to 83,942.55, 125,936.10 and 36,537.30 is: 54,815.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,942.55 : 125,936.10 = 36,537.30 : x
  2. Step 2: Convert to fraction form
    83,942.55/125,936.10 = 36,537.30/x
  3. Step 3: Cross multiply
    83,942.55x = 125,936.10 × 36,537.30
  4. Step 4: Simplify right side
    83,942.55x = 4,601,365,066.53
  5. Step 5: Solve for x
    x = 4,601,365,066.53/83,942.55
  6. Step 6: Final answer
    x = 54,815.65

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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.