Home / 84,517.72-116,634.04-45,755.57

Finding the Fourth Proportional to 84,517.72, 116,634.04 and 45,755.57

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Solution

The fourth proportional to 84,517.72, 116,634.04 and 45,755.57 is: 63,142.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,517.72 : 116,634.04 = 45,755.57 : x
  2. Step 2: Convert to fraction form
    84,517.72/116,634.04 = 45,755.57/x
  3. Step 3: Cross multiply
    84,517.72x = 116,634.04 × 45,755.57
  4. Step 4: Simplify right side
    84,517.72x = 5,336,656,981.60
  5. Step 5: Solve for x
    x = 5,336,656,981.60/84,517.72
  6. Step 6: Final answer
    x = 63,142.46

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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.