Home / 66,319.94-91,520.61-36,105.52

Finding the Fourth Proportional to 66,319.94, 91,520.61 and 36,105.52

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Solution

The fourth proportional to 66,319.94, 91,520.61 and 36,105.52 is: 49,825.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,319.94 : 91,520.61 = 36,105.52 : x
  2. Step 2: Convert to fraction form
    66,319.94/91,520.61 = 36,105.52/x
  3. Step 3: Cross multiply
    66,319.94x = 91,520.61 × 36,105.52
  4. Step 4: Simplify right side
    66,319.94x = 3,304,399,214.77
  5. Step 5: Solve for x
    x = 3,304,399,214.77/66,319.94
  6. Step 6: Final answer
    x = 49,825.12

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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.