Home / 55,961.40-83,942.10-49,837.80

Finding the Fourth Proportional to 55,961.40, 83,942.10 and 49,837.80

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Solution

The fourth proportional to 55,961.40, 83,942.10 and 49,837.80 is: 74,756.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,961.40 : 83,942.10 = 49,837.80 : x
  2. Step 2: Convert to fraction form
    55,961.40/83,942.10 = 49,837.80/x
  3. Step 3: Cross multiply
    55,961.40x = 83,942.10 × 49,837.80
  4. Step 4: Simplify right side
    55,961.40x = 4,183,489,591.38
  5. Step 5: Solve for x
    x = 4,183,489,591.38/55,961.40
  6. Step 6: Final answer
    x = 74,756.70

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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.