Home / 54,113.96-81,172.34-25,644.23

Finding the Fourth Proportional to 54,113.96, 81,172.34 and 25,644.23

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Solution

The fourth proportional to 54,113.96, 81,172.34 and 25,644.23 is: 38,467.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,113.96 : 81,172.34 = 25,644.23 : x
  2. Step 2: Convert to fraction form
    54,113.96/81,172.34 = 25,644.23/x
  3. Step 3: Cross multiply
    54,113.96x = 81,172.34 × 25,644.23
  4. Step 4: Simplify right side
    54,113.96x = 2,081,601,622.52
  5. Step 5: Solve for x
    x = 2,081,601,622.52/54,113.96
  6. Step 6: Final answer
    x = 38,467.00

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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.