Home / 54,556.71-81,825.94-15,117.81

Finding the Fourth Proportional to 54,556.71, 81,825.94 and 15,117.81

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Solution

The fourth proportional to 54,556.71, 81,825.94 and 15,117.81 is: 22,674.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,556.71 : 81,825.94 = 15,117.81 : x
  2. Step 2: Convert to fraction form
    54,556.71/81,825.94 = 15,117.81/x
  3. Step 3: Cross multiply
    54,556.71x = 81,825.94 × 15,117.81
  4. Step 4: Simplify right side
    54,556.71x = 1,237,029,013.99
  5. Step 5: Solve for x
    x = 1,237,029,013.99/54,556.71
  6. Step 6: Final answer
    x = 22,674.19

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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.