Home / 54,258.45-81,386.81-14,815.44

Finding the Fourth Proportional to 54,258.45, 81,386.81 and 14,815.44

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Solution

The fourth proportional to 54,258.45, 81,386.81 and 14,815.44 is: 22,222.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,258.45 : 81,386.81 = 14,815.44 : x
  2. Step 2: Convert to fraction form
    54,258.45/81,386.81 = 14,815.44/x
  3. Step 3: Cross multiply
    54,258.45x = 81,386.81 × 14,815.44
  4. Step 4: Simplify right side
    54,258.45x = 1,205,781,400.35
  5. Step 5: Solve for x
    x = 1,205,781,400.35/54,258.45
  6. Step 6: Final answer
    x = 22,222.92

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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.