Home / 54,582.22-81,864.18-15,143.32

Finding the Fourth Proportional to 54,582.22, 81,864.18 and 15,143.32

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Solution

The fourth proportional to 54,582.22, 81,864.18 and 15,143.32 is: 22,712.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,582.22 : 81,864.18 = 15,143.32 : x
  2. Step 2: Convert to fraction form
    54,582.22/81,864.18 = 15,143.32/x
  3. Step 3: Cross multiply
    54,582.22x = 81,864.18 × 15,143.32
  4. Step 4: Simplify right side
    54,582.22x = 1,239,695,474.28
  5. Step 5: Solve for x
    x = 1,239,695,474.28/54,582.22
  6. Step 6: Final answer
    x = 22,712.44

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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.