Home / 84,435.17-116,469.77-55,755.09

Finding the Fourth Proportional to 84,435.17, 116,469.77 and 55,755.09

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Solution

The fourth proportional to 84,435.17, 116,469.77 and 55,755.09 is: 76,908.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,435.17 : 116,469.77 = 55,755.09 : x
  2. Step 2: Convert to fraction form
    84,435.17/116,469.77 = 55,755.09/x
  3. Step 3: Cross multiply
    84,435.17x = 116,469.77 × 55,755.09
  4. Step 4: Simplify right side
    84,435.17x = 6,493,782,229.85
  5. Step 5: Solve for x
    x = 6,493,782,229.85/84,435.17
  6. Step 6: Final answer
    x = 76,908.50

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1.5x scale

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.