Home / 108,500.25-149,732.75-61,932.17

Finding the Fourth Proportional to 108,500.25, 149,732.75 and 61,932.17

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Solution

The fourth proportional to 108,500.25, 149,732.75 and 61,932.17 is: 85,467.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,500.25 : 149,732.75 = 61,932.17 : x
  2. Step 2: Convert to fraction form
    108,500.25/149,732.75 = 61,932.17/x
  3. Step 3: Cross multiply
    108,500.25x = 149,732.75 × 61,932.17
  4. Step 4: Simplify right side
    108,500.25x = 9,273,274,127.57
  5. Step 5: Solve for x
    x = 9,273,274,127.57/108,500.25
  6. Step 6: Final answer
    x = 85,467.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.