Home / 54,555.71-81,824.45-15,116.81

Finding the Fourth Proportional to 54,555.71, 81,824.45 and 15,116.81

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Solution

The fourth proportional to 54,555.71, 81,824.45 and 15,116.81 is: 22,672.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,555.71 : 81,824.45 = 15,116.81 : x
  2. Step 2: Convert to fraction form
    54,555.71/81,824.45 = 15,116.81/x
  3. Step 3: Cross multiply
    54,555.71x = 81,824.45 × 15,116.81
  4. Step 4: Simplify right side
    54,555.71x = 1,236,924,179.30
  5. Step 5: Solve for x
    x = 1,236,924,179.30/54,555.71
  6. Step 6: Final answer
    x = 22,672.68

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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.