Home / 55,166.49-82,675.98-31,481.28

Finding the Fourth Proportional to 55,166.49, 82,675.98 and 31,481.28

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Solution

The fourth proportional to 55,166.49, 82,675.98 and 31,481.28 is: 47,179.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,166.49 : 82,675.98 = 31,481.28 : x
  2. Step 2: Convert to fraction form
    55,166.49/82,675.98 = 31,481.28/x
  3. Step 3: Cross multiply
    55,166.49x = 82,675.98 × 31,481.28
  4. Step 4: Simplify right side
    55,166.49x = 2,602,745,675.65
  5. Step 5: Solve for x
    x = 2,602,745,675.65/55,166.49
  6. Step 6: Final answer
    x = 47,179.83

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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.