Home / 65,593.06-98,404.20-21,218.83

Finding the Fourth Proportional to 65,593.06, 98,404.20 and 21,218.83

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Solution

The fourth proportional to 65,593.06, 98,404.20 and 21,218.83 is: 31,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,593.06 : 98,404.20 = 21,218.83 : x
  2. Step 2: Convert to fraction form
    65,593.06/98,404.20 = 21,218.83/x
  3. Step 3: Cross multiply
    65,593.06x = 98,404.20 × 21,218.83
  4. Step 4: Simplify right side
    65,593.06x = 2,088,021,745.08
  5. Step 5: Solve for x
    x = 2,088,021,745.08/65,593.06
  6. Step 6: Final answer
    x = 31,832.97

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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.