Home / 58,556.25-87,834.21-45,248.61

Finding the Fourth Proportional to 58,556.25, 87,834.21 and 45,248.61

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Solution

The fourth proportional to 58,556.25, 87,834.21 and 45,248.61 is: 67,872.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,556.25 : 87,834.21 = 45,248.61 : x
  2. Step 2: Convert to fraction form
    58,556.25/87,834.21 = 45,248.61/x
  3. Step 3: Cross multiply
    58,556.25x = 87,834.21 × 45,248.61
  4. Step 4: Simplify right side
    58,556.25x = 3,974,375,912.95
  5. Step 5: Solve for x
    x = 3,974,375,912.95/58,556.25
  6. Step 6: Final answer
    x = 67,872.79

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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.