Home / 54,155.66-81,198.88-26,019.72

Finding the Fourth Proportional to 54,155.66, 81,198.88 and 26,019.72

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Solution

The fourth proportional to 54,155.66, 81,198.88 and 26,019.72 is: 39,012.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,155.66 : 81,198.88 = 26,019.72 : x
  2. Step 2: Convert to fraction form
    54,155.66/81,198.88 = 26,019.72/x
  3. Step 3: Cross multiply
    54,155.66x = 81,198.88 × 26,019.72
  4. Step 4: Simplify right side
    54,155.66x = 2,112,772,056.86
  5. Step 5: Solve for x
    x = 2,112,772,056.86/54,155.66
  6. Step 6: Final answer
    x = 39,012.95

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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.