Home / 65,739.20-98,614.26-28,300.19

Finding the Fourth Proportional to 65,739.20, 98,614.26 and 28,300.19

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Solution

The fourth proportional to 65,739.20, 98,614.26 and 28,300.19 is: 42,452.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,739.20 : 98,614.26 = 28,300.19 : x
  2. Step 2: Convert to fraction form
    65,739.20/98,614.26 = 28,300.19/x
  3. Step 3: Cross multiply
    65,739.20x = 98,614.26 × 28,300.19
  4. Step 4: Simplify right side
    65,739.20x = 2,790,801,801.64
  5. Step 5: Solve for x
    x = 2,790,801,801.64/65,739.20
  6. Step 6: Final answer
    x = 42,452.63

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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.