Home / 66,134.22-91,266.16-35,919.60

Finding the Fourth Proportional to 66,134.22, 91,266.16 and 35,919.60

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Solution

The fourth proportional to 66,134.22, 91,266.16 and 35,919.60 is: 49,569.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.22 : 91,266.16 = 35,919.60 : x
  2. Step 2: Convert to fraction form
    66,134.22/91,266.16 = 35,919.60/x
  3. Step 3: Cross multiply
    66,134.22x = 91,266.16 × 35,919.60
  4. Step 4: Simplify right side
    66,134.22x = 3,278,243,960.74
  5. Step 5: Solve for x
    x = 3,278,243,960.74/66,134.22
  6. Step 6: Final answer
    x = 49,569.56

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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.