Home / 84,887.64-117,151.92-54,735.75

Finding the Fourth Proportional to 84,887.64, 117,151.92 and 54,735.75

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Solution

The fourth proportional to 84,887.64, 117,151.92 and 54,735.75 is: 75,539.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,887.64 : 117,151.92 = 54,735.75 : x
  2. Step 2: Convert to fraction form
    84,887.64/117,151.92 = 54,735.75/x
  3. Step 3: Cross multiply
    84,887.64x = 117,151.92 × 54,735.75
  4. Step 4: Simplify right side
    84,887.64x = 6,412,398,205.14
  5. Step 5: Solve for x
    x = 6,412,398,205.14/84,887.64
  6. Step 6: Final answer
    x = 75,539.83

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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.