Home / 45,786.23-68,668.27-12,506.46

Finding the Fourth Proportional to 45,786.23, 68,668.27 and 12,506.46

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Solution

The fourth proportional to 45,786.23, 68,668.27 and 12,506.46 is: 18,756.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,786.23 : 68,668.27 = 12,506.46 : x
  2. Step 2: Convert to fraction form
    45,786.23/68,668.27 = 12,506.46/x
  3. Step 3: Cross multiply
    45,786.23x = 68,668.27 × 12,506.46
  4. Step 4: Simplify right side
    45,786.23x = 858,796,909.49
  5. Step 5: Solve for x
    x = 858,796,909.49/45,786.23
  6. Step 6: Final answer
    x = 18,756.67

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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.