Home / 54,991.17-82,071.43-49,676.76

Finding the Fourth Proportional to 54,991.17, 82,071.43 and 49,676.76

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Solution

The fourth proportional to 54,991.17, 82,071.43 and 49,676.76 is: 74,139.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,991.17 : 82,071.43 = 49,676.76 : x
  2. Step 2: Convert to fraction form
    54,991.17/82,071.43 = 49,676.76/x
  3. Step 3: Cross multiply
    54,991.17x = 82,071.43 × 49,676.76
  4. Step 4: Simplify right side
    54,991.17x = 4,077,042,606.77
  5. Step 5: Solve for x
    x = 4,077,042,606.77/54,991.17
  6. Step 6: Final answer
    x = 74,139.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.