Home / 82,416.89-123,625.22-29,814.05

Finding the Fourth Proportional to 82,416.89, 123,625.22 and 29,814.05

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Solution

The fourth proportional to 82,416.89, 123,625.22 and 29,814.05 is: 44,721.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,416.89 : 123,625.22 = 29,814.05 : x
  2. Step 2: Convert to fraction form
    82,416.89/123,625.22 = 29,814.05/x
  3. Step 3: Cross multiply
    82,416.89x = 123,625.22 × 29,814.05
  4. Step 4: Simplify right side
    82,416.89x = 3,685,767,723.14
  5. Step 5: Solve for x
    x = 3,685,767,723.14/82,416.89
  6. Step 6: Final answer
    x = 44,721.03

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.