Home / 82,590.24-113,991.12-49,049.76

Finding the Fourth Proportional to 82,590.24, 113,991.12 and 49,049.76

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Solution

The fourth proportional to 82,590.24, 113,991.12 and 49,049.76 is: 67,698.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,590.24 : 113,991.12 = 49,049.76 : x
  2. Step 2: Convert to fraction form
    82,590.24/113,991.12 = 49,049.76/x
  3. Step 3: Cross multiply
    82,590.24x = 113,991.12 × 49,049.76
  4. Step 4: Simplify right side
    82,590.24x = 5,591,237,078.13
  5. Step 5: Solve for x
    x = 5,591,237,078.13/82,590.24
  6. Step 6: Final answer
    x = 67,698.52

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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.