Home / 67,174.08-92,694.96-38,881.68

Finding the Fourth Proportional to 67,174.08, 92,694.96 and 38,881.68

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Solution

The fourth proportional to 67,174.08, 92,694.96 and 38,881.68 is: 53,653.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,174.08 : 92,694.96 = 38,881.68 : x
  2. Step 2: Convert to fraction form
    67,174.08/92,694.96 = 38,881.68/x
  3. Step 3: Cross multiply
    67,174.08x = 92,694.96 × 38,881.68
  4. Step 4: Simplify right side
    67,174.08x = 3,604,135,772.33
  5. Step 5: Solve for x
    x = 3,604,135,772.33/67,174.08
  6. Step 6: Final answer
    x = 53,653.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.