Home / 54,142.12-81,227.02-22,541.68

Finding the Fourth Proportional to 54,142.12, 81,227.02 and 22,541.68

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Solution

The fourth proportional to 54,142.12, 81,227.02 and 22,541.68 is: 33,818.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,142.12 : 81,227.02 = 22,541.68 : x
  2. Step 2: Convert to fraction form
    54,142.12/81,227.02 = 22,541.68/x
  3. Step 3: Cross multiply
    54,142.12x = 81,227.02 × 22,541.68
  4. Step 4: Simplify right side
    54,142.12x = 1,830,993,492.19
  5. Step 5: Solve for x
    x = 1,830,993,492.19/54,142.12
  6. Step 6: Final answer
    x = 33,818.28

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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.