Home / 54,540.12-81,810.29-15,097.35

Finding the Fourth Proportional to 54,540.12, 81,810.29 and 15,097.35

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Solution

The fourth proportional to 54,540.12, 81,810.29 and 15,097.35 is: 22,646.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,540.12 : 81,810.29 = 15,097.35 : x
  2. Step 2: Convert to fraction form
    54,540.12/81,810.29 = 15,097.35/x
  3. Step 3: Cross multiply
    54,540.12x = 81,810.29 × 15,097.35
  4. Step 4: Simplify right side
    54,540.12x = 1,235,118,619.47
  5. Step 5: Solve for x
    x = 1,235,118,619.47/54,540.12
  6. Step 6: Final answer
    x = 22,646.06

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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.