Home / 81,861.43-112,975.33-46,049.30

Finding the Fourth Proportional to 81,861.43, 112,975.33 and 46,049.30

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Solution

The fourth proportional to 81,861.43, 112,975.33 and 46,049.30 is: 63,551.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,861.43 : 112,975.33 = 46,049.30 : x
  2. Step 2: Convert to fraction form
    81,861.43/112,975.33 = 46,049.30/x
  3. Step 3: Cross multiply
    81,861.43x = 112,975.33 × 46,049.30
  4. Step 4: Simplify right side
    81,861.43x = 5,202,434,863.77
  5. Step 5: Solve for x
    x = 5,202,434,863.77/81,861.43
  6. Step 6: Final answer
    x = 63,551.73

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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.