Home / 53,517.56-80,281.63-19,792.43

Finding the Fourth Proportional to 53,517.56, 80,281.63 and 19,792.43

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Solution

The fourth proportional to 53,517.56, 80,281.63 and 19,792.43 is: 29,690.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.56 : 80,281.63 = 19,792.43 : x
  2. Step 2: Convert to fraction form
    53,517.56/80,281.63 = 19,792.43/x
  3. Step 3: Cross multiply
    53,517.56x = 80,281.63 × 19,792.43
  4. Step 4: Simplify right side
    53,517.56x = 1,588,968,918.03
  5. Step 5: Solve for x
    x = 1,588,968,918.03/53,517.56
  6. Step 6: Final answer
    x = 29,690.61

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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.