Home / 54,115.26-81,172.62-14,672.32

Finding the Fourth Proportional to 54,115.26, 81,172.62 and 14,672.32

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Solution

The fourth proportional to 54,115.26, 81,172.62 and 14,672.32 is: 22,008.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,115.26 : 81,172.62 = 14,672.32 : x
  2. Step 2: Convert to fraction form
    54,115.26/81,172.62 = 14,672.32/x
  3. Step 3: Cross multiply
    54,115.26x = 81,172.62 × 14,672.32
  4. Step 4: Simplify right side
    54,115.26x = 1,190,990,655.88
  5. Step 5: Solve for x
    x = 1,190,990,655.88/54,115.26
  6. Step 6: Final answer
    x = 22,008.41

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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.