Home / 84,631.80-116,738.78-54,456.33

Finding the Fourth Proportional to 84,631.80, 116,738.78 and 54,456.33

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Solution

The fourth proportional to 84,631.80, 116,738.78 and 54,456.33 is: 75,115.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,631.80 : 116,738.78 = 54,456.33 : x
  2. Step 2: Convert to fraction form
    84,631.80/116,738.78 = 54,456.33/x
  3. Step 3: Cross multiply
    84,631.80x = 116,738.78 × 54,456.33
  4. Step 4: Simplify right side
    84,631.80x = 6,357,165,255.20
  5. Step 5: Solve for x
    x = 6,357,165,255.20/84,631.80
  6. Step 6: Final answer
    x = 75,115.56

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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.