Home / 54,162.92-81,246.54-16,719.68

Finding the Fourth Proportional to 54,162.92, 81,246.54 and 16,719.68

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Solution

The fourth proportional to 54,162.92, 81,246.54 and 16,719.68 is: 25,080.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,162.92 : 81,246.54 = 16,719.68 : x
  2. Step 2: Convert to fraction form
    54,162.92/81,246.54 = 16,719.68/x
  3. Step 3: Cross multiply
    54,162.92x = 81,246.54 × 16,719.68
  4. Step 4: Simplify right side
    54,162.92x = 1,358,416,149.91
  5. Step 5: Solve for x
    x = 1,358,416,149.91/54,162.92
  6. Step 6: Final answer
    x = 25,080.19

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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.