Home / 77,944.38-117,103.83-49,918.88

Finding the Fourth Proportional to 77,944.38, 117,103.83 and 49,918.88

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Solution

The fourth proportional to 77,944.38, 117,103.83 and 49,918.88 is: 74,998.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,944.38 : 117,103.83 = 49,918.88 : x
  2. Step 2: Convert to fraction form
    77,944.38/117,103.83 = 49,918.88/x
  3. Step 3: Cross multiply
    77,944.38x = 117,103.83 × 49,918.88
  4. Step 4: Simplify right side
    77,944.38x = 5,845,692,142.87
  5. Step 5: Solve for x
    x = 5,845,692,142.87/77,944.38
  6. Step 6: Final answer
    x = 74,998.25

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1.5x scale

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.