Home / 54,500.54-81,752.64-14,519.15

Finding the Fourth Proportional to 54,500.54, 81,752.64 and 14,519.15

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Solution

The fourth proportional to 54,500.54, 81,752.64 and 14,519.15 is: 21,779.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,500.54 : 81,752.64 = 14,519.15 : x
  2. Step 2: Convert to fraction form
    54,500.54/81,752.64 = 14,519.15/x
  3. Step 3: Cross multiply
    54,500.54x = 81,752.64 × 14,519.15
  4. Step 4: Simplify right side
    54,500.54x = 1,186,978,434.29
  5. Step 5: Solve for x
    x = 1,186,978,434.29/54,500.54
  6. Step 6: Final answer
    x = 21,779.21

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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.