Home / 54,627.12-81,960.39-19,093.70

Finding the Fourth Proportional to 54,627.12, 81,960.39 and 19,093.70

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Solution

The fourth proportional to 54,627.12, 81,960.39 and 19,093.70 is: 28,647.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,627.12 : 81,960.39 = 19,093.70 : x
  2. Step 2: Convert to fraction form
    54,627.12/81,960.39 = 19,093.70/x
  3. Step 3: Cross multiply
    54,627.12x = 81,960.39 × 19,093.70
  4. Step 4: Simplify right side
    54,627.12x = 1,564,927,303.44
  5. Step 5: Solve for x
    x = 1,564,927,303.44/54,627.12
  6. Step 6: Final answer
    x = 28,647.44

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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.