Home / 82,182.25-123,273.51-19,852.75

Finding the Fourth Proportional to 82,182.25, 123,273.51 and 19,852.75

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Solution

The fourth proportional to 82,182.25, 123,273.51 and 19,852.75 is: 29,779.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,182.25 : 123,273.51 = 19,852.75 : x
  2. Step 2: Convert to fraction form
    82,182.25/123,273.51 = 19,852.75/x
  3. Step 3: Cross multiply
    82,182.25x = 123,273.51 × 19,852.75
  4. Step 4: Simplify right side
    82,182.25x = 2,447,318,175.65
  5. Step 5: Solve for x
    x = 2,447,318,175.65/82,182.25
  6. Step 6: Final answer
    x = 29,779.16

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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.