Home / 82,125.24-113,313.42-49,859.04

Finding the Fourth Proportional to 82,125.24, 113,313.42 and 49,859.04

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Solution

The fourth proportional to 82,125.24, 113,313.42 and 49,859.04 is: 68,793.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,125.24 : 113,313.42 = 49,859.04 : x
  2. Step 2: Convert to fraction form
    82,125.24/113,313.42 = 49,859.04/x
  3. Step 3: Cross multiply
    82,125.24x = 113,313.42 × 49,859.04
  4. Step 4: Simplify right side
    82,125.24x = 5,649,698,340.32
  5. Step 5: Solve for x
    x = 5,649,698,340.32/82,125.24
  6. Step 6: Final answer
    x = 68,793.69

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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.