Home / 83,749.43-115,584.19-47,950.94

Finding the Fourth Proportional to 83,749.43, 115,584.19 and 47,950.94

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Solution

The fourth proportional to 83,749.43, 115,584.19 and 47,950.94 is: 66,178.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,749.43 : 115,584.19 = 47,950.94 : x
  2. Step 2: Convert to fraction form
    83,749.43/115,584.19 = 47,950.94/x
  3. Step 3: Cross multiply
    83,749.43x = 115,584.19 × 47,950.94
  4. Step 4: Simplify right side
    83,749.43x = 5,542,370,559.64
  5. Step 5: Solve for x
    x = 5,542,370,559.64/83,749.43
  6. Step 6: Final answer
    x = 66,178.01

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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.