Home / 54,056.24-81,083.80-17,120.24

Finding the Fourth Proportional to 54,056.24, 81,083.80 and 17,120.24

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Solution

The fourth proportional to 54,056.24, 81,083.80 and 17,120.24 is: 25,680.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,056.24 : 81,083.80 = 17,120.24 : x
  2. Step 2: Convert to fraction form
    54,056.24/81,083.80 = 17,120.24/x
  3. Step 3: Cross multiply
    54,056.24x = 81,083.80 × 17,120.24
  4. Step 4: Simplify right side
    54,056.24x = 1,388,174,116.11
  5. Step 5: Solve for x
    x = 1,388,174,116.11/54,056.24
  6. Step 6: Final answer
    x = 25,680.18

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1.5x scale

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.