Home / 57,625.25-79,522.85-31,129.25

Finding the Fourth Proportional to 57,625.25, 79,522.85 and 31,129.25

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Solution

The fourth proportional to 57,625.25, 79,522.85 and 31,129.25 is: 42,958.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,625.25 : 79,522.85 = 31,129.25 : x
  2. Step 2: Convert to fraction form
    57,625.25/79,522.85 = 31,129.25/x
  3. Step 3: Cross multiply
    57,625.25x = 79,522.85 × 31,129.25
  4. Step 4: Simplify right side
    57,625.25x = 2,475,486,678.36
  5. Step 5: Solve for x
    x = 2,475,486,678.36/57,625.25
  6. Step 6: Final answer
    x = 42,958.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.