Home / 45,668.21-68,438.12-34,416.09

Finding the Fourth Proportional to 45,668.21, 68,438.12 and 34,416.09

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Solution

The fourth proportional to 45,668.21, 68,438.12 and 34,416.09 is: 51,575.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,668.21 : 68,438.12 = 34,416.09 : x
  2. Step 2: Convert to fraction form
    45,668.21/68,438.12 = 34,416.09/x
  3. Step 3: Cross multiply
    45,668.21x = 68,438.12 × 34,416.09
  4. Step 4: Simplify right side
    45,668.21x = 2,355,372,325.27
  5. Step 5: Solve for x
    x = 2,355,372,325.27/45,668.21
  6. Step 6: Final answer
    x = 51,575.76

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1.5x scale

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.