Home / 65,709.60-98,553.62-18,327.92

Finding the Fourth Proportional to 65,709.60, 98,553.62 and 18,327.92

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Solution

The fourth proportional to 65,709.60, 98,553.62 and 18,327.92 is: 27,488.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,709.60 : 98,553.62 = 18,327.92 : x
  2. Step 2: Convert to fraction form
    65,709.60/98,553.62 = 18,327.92/x
  3. Step 3: Cross multiply
    65,709.60x = 98,553.62 × 18,327.92
  4. Step 4: Simplify right side
    65,709.60x = 1,806,282,278.66
  5. Step 5: Solve for x
    x = 1,806,282,278.66/65,709.60
  6. Step 6: Final answer
    x = 27,488.86

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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.