Home / 65,956.15-98,926.92-19,209.04

Finding the Fourth Proportional to 65,956.15, 98,926.92 and 19,209.04

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Solution

The fourth proportional to 65,956.15, 98,926.92 and 19,209.04 is: 28,811.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,956.15 : 98,926.92 = 19,209.04 : x
  2. Step 2: Convert to fraction form
    65,956.15/98,926.92 = 19,209.04/x
  3. Step 3: Cross multiply
    65,956.15x = 98,926.92 × 19,209.04
  4. Step 4: Simplify right side
    65,956.15x = 1,900,291,163.36
  5. Step 5: Solve for x
    x = 1,900,291,163.36/65,956.15
  6. Step 6: Final answer
    x = 28,811.43

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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.