Home / 65,362.20-98,043.36-18,615.06

Finding the Fourth Proportional to 65,362.20, 98,043.36 and 18,615.06

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Solution

The fourth proportional to 65,362.20, 98,043.36 and 18,615.06 is: 27,922.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,362.20 : 98,043.36 = 18,615.06 : x
  2. Step 2: Convert to fraction form
    65,362.20/98,043.36 = 18,615.06/x
  3. Step 3: Cross multiply
    65,362.20x = 98,043.36 × 18,615.06
  4. Step 4: Simplify right side
    65,362.20x = 1,825,083,029.00
  5. Step 5: Solve for x
    x = 1,825,083,029.00/65,362.20
  6. Step 6: Final answer
    x = 27,922.61

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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.