Home / 90,801.82-125,304.62-50,514.72

Finding the Fourth Proportional to 90,801.82, 125,304.62 and 50,514.72

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Solution

The fourth proportional to 90,801.82, 125,304.62 and 50,514.72 is: 69,709.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,801.82 : 125,304.62 = 50,514.72 : x
  2. Step 2: Convert to fraction form
    90,801.82/125,304.62 = 50,514.72/x
  3. Step 3: Cross multiply
    90,801.82x = 125,304.62 × 50,514.72
  4. Step 4: Simplify right side
    90,801.82x = 6,329,727,794.01
  5. Step 5: Solve for x
    x = 6,329,727,794.01/90,801.82
  6. Step 6: Final answer
    x = 69,709.26

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Double scale
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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.