Home / 65,727.10-98,601.45-28,305.10

Finding the Fourth Proportional to 65,727.10, 98,601.45 and 28,305.10

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Solution

The fourth proportional to 65,727.10, 98,601.45 and 28,305.10 is: 42,462.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,727.10 : 98,601.45 = 28,305.10 : x
  2. Step 2: Convert to fraction form
    65,727.10/98,601.45 = 28,305.10/x
  3. Step 3: Cross multiply
    65,727.10x = 98,601.45 × 28,305.10
  4. Step 4: Simplify right side
    65,727.10x = 2,790,923,902.40
  5. Step 5: Solve for x
    x = 2,790,923,902.40/65,727.10
  6. Step 6: Final answer
    x = 42,462.30

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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.