Home / 54,114.40-81,172.14-14,672.26

Finding the Fourth Proportional to 54,114.40, 81,172.14 and 14,672.26

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Solution

The fourth proportional to 54,114.40, 81,172.14 and 14,672.26 is: 22,008.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,114.40 : 81,172.14 = 14,672.26 : x
  2. Step 2: Convert to fraction form
    54,114.40/81,172.14 = 14,672.26/x
  3. Step 3: Cross multiply
    54,114.40x = 81,172.14 × 14,672.26
  4. Step 4: Simplify right side
    54,114.40x = 1,190,978,742.84
  5. Step 5: Solve for x
    x = 1,190,978,742.84/54,114.40
  6. Step 6: Final answer
    x = 22,008.54

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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.