Home / 54,142.94-81,159.88-22,570.47

Finding the Fourth Proportional to 54,142.94, 81,159.88 and 22,570.47

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Solution

The fourth proportional to 54,142.94, 81,159.88 and 22,570.47 is: 33,832.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.94 : 81,159.88 = 22,570.47 : x
  2. Step 2: Convert to fraction form
    54,142.94/81,159.88 = 22,570.47/x
  3. Step 3: Cross multiply
    54,142.94x = 81,159.88 × 22,570.47
  4. Step 4: Simplify right side
    54,142.94x = 1,831,816,523.89
  5. Step 5: Solve for x
    x = 1,831,816,523.89/54,142.94
  6. Step 6: Final answer
    x = 33,832.97

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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.