Home / 50,108.07-75,162.06-20,525.97

Finding the Fourth Proportional to 50,108.07, 75,162.06 and 20,525.97

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Solution

The fourth proportional to 50,108.07, 75,162.06 and 20,525.97 is: 30,788.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,108.07 : 75,162.06 = 20,525.97 : x
  2. Step 2: Convert to fraction form
    50,108.07/75,162.06 = 20,525.97/x
  3. Step 3: Cross multiply
    50,108.07x = 75,162.06 × 20,525.97
  4. Step 4: Simplify right side
    50,108.07x = 1,542,774,188.70
  5. Step 5: Solve for x
    x = 1,542,774,188.70/50,108.07
  6. Step 6: Final answer
    x = 30,788.94

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.