Home / 54,607.08-81,930.32-19,073.63

Finding the Fourth Proportional to 54,607.08, 81,930.32 and 19,073.63

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Solution

The fourth proportional to 54,607.08, 81,930.32 and 19,073.63 is: 28,617.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,607.08 : 81,930.32 = 19,073.63 : x
  2. Step 2: Convert to fraction form
    54,607.08/81,930.32 = 19,073.63/x
  3. Step 3: Cross multiply
    54,607.08x = 81,930.32 × 19,073.63
  4. Step 4: Simplify right side
    54,607.08x = 1,562,708,104.44
  5. Step 5: Solve for x
    x = 1,562,708,104.44/54,607.08
  6. Step 6: Final answer
    x = 28,617.32

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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.