Home / 109,815.75-151,546.65-59,514.75

Finding the Fourth Proportional to 109,815.75, 151,546.65 and 59,514.75

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Solution

The fourth proportional to 109,815.75, 151,546.65 and 59,514.75 is: 82,130.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,815.75 : 151,546.65 = 59,514.75 : x
  2. Step 2: Convert to fraction form
    109,815.75/151,546.65 = 59,514.75/x
  3. Step 3: Cross multiply
    109,815.75x = 151,546.65 × 59,514.75
  4. Step 4: Simplify right side
    109,815.75x = 9,019,260,764.91
  5. Step 5: Solve for x
    x = 9,019,260,764.91/109,815.75
  6. Step 6: Final answer
    x = 82,130.85

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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.