Home / 45,836.40-68,754.54-12,556.74

Finding the Fourth Proportional to 45,836.40, 68,754.54 and 12,556.74

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Solution

The fourth proportional to 45,836.40, 68,754.54 and 12,556.74 is: 18,835.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,836.40 : 68,754.54 = 12,556.74 : x
  2. Step 2: Convert to fraction form
    45,836.40/68,754.54 = 12,556.74/x
  3. Step 3: Cross multiply
    45,836.40x = 68,754.54 × 12,556.74
  4. Step 4: Simplify right side
    45,836.40x = 863,332,882.60
  5. Step 5: Solve for x
    x = 863,332,882.60/45,836.40
  6. Step 6: Final answer
    x = 18,835.09

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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.