Home / 65,581.96-98,345.79-20,588.26

Finding the Fourth Proportional to 65,581.96, 98,345.79 and 20,588.26

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Solution

The fourth proportional to 65,581.96, 98,345.79 and 20,588.26 is: 30,873.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,581.96 : 98,345.79 = 20,588.26 : x
  2. Step 2: Convert to fraction form
    65,581.96/98,345.79 = 20,588.26/x
  3. Step 3: Cross multiply
    65,581.96x = 98,345.79 × 20,588.26
  4. Step 4: Simplify right side
    65,581.96x = 2,024,768,694.43
  5. Step 5: Solve for x
    x = 2,024,768,694.43/65,581.96
  6. Step 6: Final answer
    x = 30,873.87

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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.