Home / 54,826.20-82,153.19-42,376.71

Finding the Fourth Proportional to 54,826.20, 82,153.19 and 42,376.71

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Solution

The fourth proportional to 54,826.20, 82,153.19 and 42,376.71 is: 63,498.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,826.20 : 82,153.19 = 42,376.71 : x
  2. Step 2: Convert to fraction form
    54,826.20/82,153.19 = 42,376.71/x
  3. Step 3: Cross multiply
    54,826.20x = 82,153.19 × 42,376.71
  4. Step 4: Simplify right side
    54,826.20x = 3,481,381,696.32
  5. Step 5: Solve for x
    x = 3,481,381,696.32/54,826.20
  6. Step 6: Final answer
    x = 63,498.50

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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.