Home / 57,823.68-86,755.22-31,172.25

Finding the Fourth Proportional to 57,823.68, 86,755.22 and 31,172.25

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Solution

The fourth proportional to 57,823.68, 86,755.22 and 31,172.25 is: 46,768.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,823.68 : 86,755.22 = 31,172.25 : x
  2. Step 2: Convert to fraction form
    57,823.68/86,755.22 = 31,172.25/x
  3. Step 3: Cross multiply
    57,823.68x = 86,755.22 × 31,172.25
  4. Step 4: Simplify right side
    57,823.68x = 2,704,355,087.05
  5. Step 5: Solve for x
    x = 2,704,355,087.05/57,823.68
  6. Step 6: Final answer
    x = 46,768.99

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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.