Home / 79,601.45-109,850.91-45,609.25

Finding the Fourth Proportional to 79,601.45, 109,850.91 and 45,609.25

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Solution

The fourth proportional to 79,601.45, 109,850.91 and 45,609.25 is: 62,941.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,601.45 : 109,850.91 = 45,609.25 : x
  2. Step 2: Convert to fraction form
    79,601.45/109,850.91 = 45,609.25/x
  3. Step 3: Cross multiply
    79,601.45x = 109,850.91 × 45,609.25
  4. Step 4: Simplify right side
    79,601.45x = 5,010,217,616.92
  5. Step 5: Solve for x
    x = 5,010,217,616.92/79,601.45
  6. Step 6: Final answer
    x = 62,941.29

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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.