Home / 84,419.20-116,514.62-54,242.65

Finding the Fourth Proportional to 84,419.20, 116,514.62 and 54,242.65

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Solution

The fourth proportional to 84,419.20, 116,514.62 and 54,242.65 is: 74,865.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,419.20 : 116,514.62 = 54,242.65 : x
  2. Step 2: Convert to fraction form
    84,419.20/116,514.62 = 54,242.65/x
  3. Step 3: Cross multiply
    84,419.20x = 116,514.62 × 54,242.65
  4. Step 4: Simplify right side
    84,419.20x = 6,320,061,752.54
  5. Step 5: Solve for x
    x = 6,320,061,752.54/84,419.20
  6. Step 6: Final answer
    x = 74,865.22

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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.