Home / 51,523.11-71,103.06-28,863.78

Finding the Fourth Proportional to 51,523.11, 71,103.06 and 28,863.78

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Solution

The fourth proportional to 51,523.11, 71,103.06 and 28,863.78 is: 39,832.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,523.11 : 71,103.06 = 28,863.78 : x
  2. Step 2: Convert to fraction form
    51,523.11/71,103.06 = 28,863.78/x
  3. Step 3: Cross multiply
    51,523.11x = 71,103.06 × 28,863.78
  4. Step 4: Simplify right side
    51,523.11x = 2,052,303,081.17
  5. Step 5: Solve for x
    x = 2,052,303,081.17/51,523.11
  6. Step 6: Final answer
    x = 39,832.67

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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.