Home / 108,431.66-162,694.01-41,918.50

Finding the Fourth Proportional to 108,431.66, 162,694.01 and 41,918.50

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Solution

The fourth proportional to 108,431.66, 162,694.01 and 41,918.50 is: 62,895.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,431.66 : 162,694.01 = 41,918.50 : x
  2. Step 2: Convert to fraction form
    108,431.66/162,694.01 = 41,918.50/x
  3. Step 3: Cross multiply
    108,431.66x = 162,694.01 × 41,918.50
  4. Step 4: Simplify right side
    108,431.66x = 6,819,889,166.35
  5. Step 5: Solve for x
    x = 6,819,889,166.35/108,431.66
  6. Step 6: Final answer
    x = 62,895.74

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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.