Home / 66,137.48-91,270.38-35,923.40

Finding the Fourth Proportional to 66,137.48, 91,270.38 and 35,923.40

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Solution

The fourth proportional to 66,137.48, 91,270.38 and 35,923.40 is: 49,574.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,137.48 : 91,270.38 = 35,923.40 : x
  2. Step 2: Convert to fraction form
    66,137.48/91,270.38 = 35,923.40/x
  3. Step 3: Cross multiply
    66,137.48x = 91,270.38 × 35,923.40
  4. Step 4: Simplify right side
    66,137.48x = 3,278,741,912.54
  5. Step 5: Solve for x
    x = 3,278,741,912.54/66,137.48
  6. Step 6: Final answer
    x = 49,574.65

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.