Home / 65,192.88-97,788.52-20,819.08

Finding the Fourth Proportional to 65,192.88, 97,788.52 and 20,819.08

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Solution

The fourth proportional to 65,192.88, 97,788.52 and 20,819.08 is: 31,228.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,192.88 : 97,788.52 = 20,819.08 : x
  2. Step 2: Convert to fraction form
    65,192.88/97,788.52 = 20,819.08/x
  3. Step 3: Cross multiply
    65,192.88x = 97,788.52 × 20,819.08
  4. Step 4: Simplify right side
    65,192.88x = 2,035,867,020.96
  5. Step 5: Solve for x
    x = 2,035,867,020.96/65,192.88
  6. Step 6: Final answer
    x = 31,228.36

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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.