Home / 71,749.25-107,628.32-21,833.00

Finding the Fourth Proportional to 71,749.25, 107,628.32 and 21,833.00

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Solution

The fourth proportional to 71,749.25, 107,628.32 and 21,833.00 is: 32,750.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,749.25 : 107,628.32 = 21,833.00 : x
  2. Step 2: Convert to fraction form
    71,749.25/107,628.32 = 21,833.00/x
  3. Step 3: Cross multiply
    71,749.25x = 107,628.32 × 21,833.00
  4. Step 4: Simplify right side
    71,749.25x = 2,349,848,627.00
  5. Step 5: Solve for x
    x = 2,349,848,627.00/71,749.25
  6. Step 6: Final answer
    x = 32,750.85

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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.