Home / 65,996.83-98,986.44-18,615.72

Finding the Fourth Proportional to 65,996.83, 98,986.44 and 18,615.72

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Solution

The fourth proportional to 65,996.83, 98,986.44 and 18,615.72 is: 27,921.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,996.83 : 98,986.44 = 18,615.72 : x
  2. Step 2: Convert to fraction form
    65,996.83/98,986.44 = 18,615.72/x
  3. Step 3: Cross multiply
    65,996.83x = 98,986.44 × 18,615.72
  4. Step 4: Simplify right side
    65,996.83x = 1,842,704,187.13
  5. Step 5: Solve for x
    x = 1,842,704,187.13/65,996.83
  6. Step 6: Final answer
    x = 27,921.10

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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.