Home / 43,233.75-64,876.14-18,272.25

Finding the Fourth Proportional to 43,233.75, 64,876.14 and 18,272.25

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Solution

The fourth proportional to 43,233.75, 64,876.14 and 18,272.25 is: 27,419.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,233.75 : 64,876.14 = 18,272.25 : x
  2. Step 2: Convert to fraction form
    43,233.75/64,876.14 = 18,272.25/x
  3. Step 3: Cross multiply
    43,233.75x = 64,876.14 × 18,272.25
  4. Step 4: Simplify right side
    43,233.75x = 1,185,433,049.12
  5. Step 5: Solve for x
    x = 1,185,433,049.12/43,233.75
  6. Step 6: Final answer
    x = 27,419.16

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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.