Home / 84,418.20-116,513.24-54,241.65

Finding the Fourth Proportional to 84,418.20, 116,513.24 and 54,241.65

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Solution

The fourth proportional to 84,418.20, 116,513.24 and 54,241.65 is: 74,863.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,418.20 : 116,513.24 = 54,241.65 : x
  2. Step 2: Convert to fraction form
    84,418.20/116,513.24 = 54,241.65/x
  3. Step 3: Cross multiply
    84,418.20x = 116,513.24 × 54,241.65
  4. Step 4: Simplify right side
    84,418.20x = 6,319,870,113.24
  5. Step 5: Solve for x
    x = 6,319,870,113.24/84,418.20
  6. Step 6: Final answer
    x = 74,863.83

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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.