Home / 54,292.54-81,412.08-25,821.58

Finding the Fourth Proportional to 54,292.54, 81,412.08 and 25,821.58

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Solution

The fourth proportional to 54,292.54, 81,412.08 and 25,821.58 is: 38,719.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,292.54 : 81,412.08 = 25,821.58 : x
  2. Step 2: Convert to fraction form
    54,292.54/81,412.08 = 25,821.58/x
  3. Step 3: Cross multiply
    54,292.54x = 81,412.08 × 25,821.58
  4. Step 4: Simplify right side
    54,292.54x = 2,102,188,536.69
  5. Step 5: Solve for x
    x = 2,102,188,536.69/54,292.54
  6. Step 6: Final answer
    x = 38,719.66

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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.