Home / 71,244.83-106,896.69-31,243.11

Finding the Fourth Proportional to 71,244.83, 106,896.69 and 31,243.11

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Solution

The fourth proportional to 71,244.83, 106,896.69 and 31,243.11 is: 46,877.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,244.83 : 106,896.69 = 31,243.11 : x
  2. Step 2: Convert to fraction form
    71,244.83/106,896.69 = 31,243.11/x
  3. Step 3: Cross multiply
    71,244.83x = 106,896.69 × 31,243.11
  4. Step 4: Simplify right side
    71,244.83x = 3,339,785,044.31
  5. Step 5: Solve for x
    x = 3,339,785,044.31/71,244.83
  6. Step 6: Final answer
    x = 46,877.58

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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.