Home / 54,072.96-81,109.44-24,485.28

Finding the Fourth Proportional to 54,072.96, 81,109.44 and 24,485.28

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Solution

The fourth proportional to 54,072.96, 81,109.44 and 24,485.28 is: 36,727.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,072.96 : 81,109.44 = 24,485.28 : x
  2. Step 2: Convert to fraction form
    54,072.96/81,109.44 = 24,485.28/x
  3. Step 3: Cross multiply
    54,072.96x = 81,109.44 × 24,485.28
  4. Step 4: Simplify right side
    54,072.96x = 1,985,987,349.04
  5. Step 5: Solve for x
    x = 1,985,987,349.04/54,072.96
  6. Step 6: Final answer
    x = 36,727.92

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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.