Home / 104,037.97-143,719.37-82,790.05

Finding the Fourth Proportional to 104,037.97, 143,719.37 and 82,790.05

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Solution

The fourth proportional to 104,037.97, 143,719.37 and 82,790.05 is: 114,367.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,037.97 : 143,719.37 = 82,790.05 : x
  2. Step 2: Convert to fraction form
    104,037.97/143,719.37 = 82,790.05/x
  3. Step 3: Cross multiply
    104,037.97x = 143,719.37 × 82,790.05
  4. Step 4: Simplify right side
    104,037.97x = 11,898,533,828.27
  5. Step 5: Solve for x
    x = 11,898,533,828.27/104,037.97
  6. Step 6: Final answer
    x = 114,367.22

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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.