Home / 65,822.52-98,723.64-21,449.16

Finding the Fourth Proportional to 65,822.52, 98,723.64 and 21,449.16

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Solution

The fourth proportional to 65,822.52, 98,723.64 and 21,449.16 is: 32,170.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.52 : 98,723.64 = 21,449.16 : x
  2. Step 2: Convert to fraction form
    65,822.52/98,723.64 = 21,449.16/x
  3. Step 3: Cross multiply
    65,822.52x = 98,723.64 × 21,449.16
  4. Step 4: Simplify right side
    65,822.52x = 2,117,539,150.14
  5. Step 5: Solve for x
    x = 2,117,539,150.14/65,822.52
  6. Step 6: Final answer
    x = 32,170.44

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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.