Home / 54,360.84-81,540.54-14,917.92

Finding the Fourth Proportional to 54,360.84, 81,540.54 and 14,917.92

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Solution

The fourth proportional to 54,360.84, 81,540.54 and 14,917.92 is: 22,376.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,360.84 : 81,540.54 = 14,917.92 : x
  2. Step 2: Convert to fraction form
    54,360.84/81,540.54 = 14,917.92/x
  3. Step 3: Cross multiply
    54,360.84x = 81,540.54 × 14,917.92
  4. Step 4: Simplify right side
    54,360.84x = 1,216,415,252.48
  5. Step 5: Solve for x
    x = 1,216,415,252.48/54,360.84
  6. Step 6: Final answer
    x = 22,376.68

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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.