Home / 83,707.77-115,517.52-45,982.02

Finding the Fourth Proportional to 83,707.77, 115,517.52 and 45,982.02

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Solution

The fourth proportional to 83,707.77, 115,517.52 and 45,982.02 is: 63,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,707.77 : 115,517.52 = 45,982.02 : x
  2. Step 2: Convert to fraction form
    83,707.77/115,517.52 = 45,982.02/x
  3. Step 3: Cross multiply
    83,707.77x = 115,517.52 × 45,982.02
  4. Step 4: Simplify right side
    83,707.77x = 5,311,728,914.99
  5. Step 5: Solve for x
    x = 5,311,728,914.99/83,707.77
  6. Step 6: Final answer
    x = 63,455.63

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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.