Home / 51,208.12-76,826.13-15,668.67

Finding the Fourth Proportional to 51,208.12, 76,826.13 and 15,668.67

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Solution

The fourth proportional to 51,208.12, 76,826.13 and 15,668.67 is: 23,507.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,208.12 : 76,826.13 = 15,668.67 : x
  2. Step 2: Convert to fraction form
    51,208.12/76,826.13 = 15,668.67/x
  3. Step 3: Cross multiply
    51,208.12x = 76,826.13 × 15,668.67
  4. Step 4: Simplify right side
    51,208.12x = 1,203,763,278.35
  5. Step 5: Solve for x
    x = 1,203,763,278.35/51,208.12
  6. Step 6: Final answer
    x = 23,507.27

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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.