Home / 65,568.57-98,350.23-18,821.43

Finding the Fourth Proportional to 65,568.57, 98,350.23 and 18,821.43

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Solution

The fourth proportional to 65,568.57, 98,350.23 and 18,821.43 is: 28,231.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,568.57 : 98,350.23 = 18,821.43 : x
  2. Step 2: Convert to fraction form
    65,568.57/98,350.23 = 18,821.43/x
  3. Step 3: Cross multiply
    65,568.57x = 98,350.23 × 18,821.43
  4. Step 4: Simplify right side
    65,568.57x = 1,851,091,969.43
  5. Step 5: Solve for x
    x = 1,851,091,969.43/65,568.57
  6. Step 6: Final answer
    x = 28,231.39

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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.