Home / 54,106.56-81,116.13-22,540.40

Finding the Fourth Proportional to 54,106.56, 81,116.13 and 22,540.40

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Solution

The fourth proportional to 54,106.56, 81,116.13 and 22,540.40 is: 33,792.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.56 : 81,116.13 = 22,540.40 : x
  2. Step 2: Convert to fraction form
    54,106.56/81,116.13 = 22,540.40/x
  3. Step 3: Cross multiply
    54,106.56x = 81,116.13 × 22,540.40
  4. Step 4: Simplify right side
    54,106.56x = 1,828,390,227.92
  5. Step 5: Solve for x
    x = 1,828,390,227.92/54,106.56
  6. Step 6: Final answer
    x = 33,792.40

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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.