Home / 108,579.71-162,890.05-41,131.94

Finding the Fourth Proportional to 108,579.71, 162,890.05 and 41,131.94

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Solution

The fourth proportional to 108,579.71, 162,890.05 and 41,131.94 is: 61,705.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,579.71 : 162,890.05 = 41,131.94 : x
  2. Step 2: Convert to fraction form
    108,579.71/162,890.05 = 41,131.94/x
  3. Step 3: Cross multiply
    108,579.71x = 162,890.05 × 41,131.94
  4. Step 4: Simplify right side
    108,579.71x = 6,699,983,557.54
  5. Step 5: Solve for x
    x = 6,699,983,557.54/108,579.71
  6. Step 6: Final answer
    x = 61,705.67

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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.