Home / 54,705.64-82,058.82-19,645.60

Finding the Fourth Proportional to 54,705.64, 82,058.82 and 19,645.60

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Solution

The fourth proportional to 54,705.64, 82,058.82 and 19,645.60 is: 29,468.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,705.64 : 82,058.82 = 19,645.60 : x
  2. Step 2: Convert to fraction form
    54,705.64/82,058.82 = 19,645.60/x
  3. Step 3: Cross multiply
    54,705.64x = 82,058.82 × 19,645.60
  4. Step 4: Simplify right side
    54,705.64x = 1,612,094,754.19
  5. Step 5: Solve for x
    x = 1,612,094,754.19/54,705.64
  6. Step 6: Final answer
    x = 29,468.53

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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.