Home / 53,589.84-80,388.60-14,146.56

Finding the Fourth Proportional to 53,589.84, 80,388.60 and 14,146.56

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Solution

The fourth proportional to 53,589.84, 80,388.60 and 14,146.56 is: 21,220.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,589.84 : 80,388.60 = 14,146.56 : x
  2. Step 2: Convert to fraction form
    53,589.84/80,388.60 = 14,146.56/x
  3. Step 3: Cross multiply
    53,589.84x = 80,388.60 × 14,146.56
  4. Step 4: Simplify right side
    53,589.84x = 1,137,222,153.22
  5. Step 5: Solve for x
    x = 1,137,222,153.22/53,589.84
  6. Step 6: Final answer
    x = 21,220.85

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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.