Home / 66,134.11-91,265.73-35,920.03

Finding the Fourth Proportional to 66,134.11, 91,265.73 and 35,920.03

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Solution

The fourth proportional to 66,134.11, 91,265.73 and 35,920.03 is: 49,569.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,134.11 : 91,265.73 = 35,920.03 : x
  2. Step 2: Convert to fraction form
    66,134.11/91,265.73 = 35,920.03/x
  3. Step 3: Cross multiply
    66,134.11x = 91,265.73 × 35,920.03
  4. Step 4: Simplify right side
    66,134.11x = 3,278,267,303.24
  5. Step 5: Solve for x
    x = 3,278,267,303.24/66,134.11
  6. Step 6: Final answer
    x = 49,569.99

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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.