Home / 54,258.36-81,375.32-14,818.66

Finding the Fourth Proportional to 54,258.36, 81,375.32 and 14,818.66

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Solution

The fourth proportional to 54,258.36, 81,375.32 and 14,818.66 is: 22,224.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.36 : 81,375.32 = 14,818.66 : x
  2. Step 2: Convert to fraction form
    54,258.36/81,375.32 = 14,818.66/x
  3. Step 3: Cross multiply
    54,258.36x = 81,375.32 × 14,818.66
  4. Step 4: Simplify right side
    54,258.36x = 1,205,873,199.47
  5. Step 5: Solve for x
    x = 1,205,873,199.47/54,258.36
  6. Step 6: Final answer
    x = 22,224.65

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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.