Home / 82,047.86-123,071.79-25,893.65

Finding the Fourth Proportional to 82,047.86, 123,071.79 and 25,893.65

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Solution

The fourth proportional to 82,047.86, 123,071.79 and 25,893.65 is: 38,840.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,047.86 : 123,071.79 = 25,893.65 : x
  2. Step 2: Convert to fraction form
    82,047.86/123,071.79 = 25,893.65/x
  3. Step 3: Cross multiply
    82,047.86x = 123,071.79 × 25,893.65
  4. Step 4: Simplify right side
    82,047.86x = 3,186,777,855.13
  5. Step 5: Solve for x
    x = 3,186,777,855.13/82,047.86
  6. Step 6: Final answer
    x = 38,840.48

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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.