Home / 54,533.21-81,750.26-19,464.66

Finding the Fourth Proportional to 54,533.21, 81,750.26 and 19,464.66

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Solution

The fourth proportional to 54,533.21, 81,750.26 and 19,464.66 is: 29,179.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,533.21 : 81,750.26 = 19,464.66 : x
  2. Step 2: Convert to fraction form
    54,533.21/81,750.26 = 19,464.66/x
  3. Step 3: Cross multiply
    54,533.21x = 81,750.26 × 19,464.66
  4. Step 4: Simplify right side
    54,533.21x = 1,591,240,918.49
  5. Step 5: Solve for x
    x = 1,591,240,918.49/54,533.21
  6. Step 6: Final answer
    x = 29,179.30

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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.