Home / 66,134.58-91,266.38-35,920.48

Finding the Fourth Proportional to 66,134.58, 91,266.38 and 35,920.48

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Solution

The fourth proportional to 66,134.58, 91,266.38 and 35,920.48 is: 49,570.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.58 : 91,266.38 = 35,920.48 : x
  2. Step 2: Convert to fraction form
    66,134.58/91,266.38 = 35,920.48/x
  3. Step 3: Cross multiply
    66,134.58x = 91,266.38 × 35,920.48
  4. Step 4: Simplify right side
    66,134.58x = 3,278,332,177.46
  5. Step 5: Solve for x
    x = 3,278,332,177.46/66,134.58
  6. Step 6: Final answer
    x = 49,570.62

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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.