Home / 54,107.89-81,178.19-26,019.97

Finding the Fourth Proportional to 54,107.89, 81,178.19 and 26,019.97

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Solution

The fourth proportional to 54,107.89, 81,178.19 and 26,019.97 is: 39,037.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,107.89 : 81,178.19 = 26,019.97 : x
  2. Step 2: Convert to fraction form
    54,107.89/81,178.19 = 26,019.97/x
  3. Step 3: Cross multiply
    54,107.89x = 81,178.19 × 26,019.97
  4. Step 4: Simplify right side
    54,107.89x = 2,112,254,068.45
  5. Step 5: Solve for x
    x = 2,112,254,068.45/54,107.89
  6. Step 6: Final answer
    x = 39,037.82

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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.