Home / 57,974.75-86,969.55-16,421.75

Finding the Fourth Proportional to 57,974.75, 86,969.55 and 16,421.75

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Solution

The fourth proportional to 57,974.75, 86,969.55 and 16,421.75 is: 24,634.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,974.75 : 86,969.55 = 16,421.75 : x
  2. Step 2: Convert to fraction form
    57,974.75/86,969.55 = 16,421.75/x
  3. Step 3: Cross multiply
    57,974.75x = 86,969.55 × 16,421.75
  4. Step 4: Simplify right side
    57,974.75x = 1,428,192,207.71
  5. Step 5: Solve for x
    x = 1,428,192,207.71/57,974.75
  6. Step 6: Final answer
    x = 24,634.73

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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.