Home / 54,519.53-81,769.77-14,539.01

Finding the Fourth Proportional to 54,519.53, 81,769.77 and 14,539.01

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Solution

The fourth proportional to 54,519.53, 81,769.77 and 14,539.01 is: 21,805.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,519.53 : 81,769.77 = 14,539.01 : x
  2. Step 2: Convert to fraction form
    54,519.53/81,769.77 = 14,539.01/x
  3. Step 3: Cross multiply
    54,519.53x = 81,769.77 × 14,539.01
  4. Step 4: Simplify right side
    54,519.53x = 1,188,851,094.88
  5. Step 5: Solve for x
    x = 1,188,851,094.88/54,519.53
  6. Step 6: Final answer
    x = 21,805.97

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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.