Home / 81,832.46-112,919.61-46,021.70

Finding the Fourth Proportional to 81,832.46, 112,919.61 and 46,021.70

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Solution

The fourth proportional to 81,832.46, 112,919.61 and 46,021.70 is: 63,504.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,832.46 : 112,919.61 = 46,021.70 : x
  2. Step 2: Convert to fraction form
    81,832.46/112,919.61 = 46,021.70/x
  3. Step 3: Cross multiply
    81,832.46x = 112,919.61 × 46,021.70
  4. Step 4: Simplify right side
    81,832.46x = 5,196,752,697.84
  5. Step 5: Solve for x
    x = 5,196,752,697.84/81,832.46
  6. Step 6: Final answer
    x = 63,504.78

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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.