Home / 54,143.94-81,161.37-22,571.47

Finding the Fourth Proportional to 54,143.94, 81,161.37 and 22,571.47

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Solution

The fourth proportional to 54,143.94, 81,161.37 and 22,571.47 is: 33,834.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,143.94 : 81,161.37 = 22,571.47 : x
  2. Step 2: Convert to fraction form
    54,143.94/81,161.37 = 22,571.47/x
  3. Step 3: Cross multiply
    54,143.94x = 81,161.37 × 22,571.47
  4. Step 4: Simplify right side
    54,143.94x = 1,831,931,428.11
  5. Step 5: Solve for x
    x = 1,831,931,428.11/54,143.94
  6. Step 6: Final answer
    x = 33,834.47

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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.