Home / 104,826.15-144,661.82-57,080.43

Finding the Fourth Proportional to 104,826.15, 144,661.82 and 57,080.43

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Solution

The fourth proportional to 104,826.15, 144,661.82 and 57,080.43 is: 78,771.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,826.15 : 144,661.82 = 57,080.43 : x
  2. Step 2: Convert to fraction form
    104,826.15/144,661.82 = 57,080.43/x
  3. Step 3: Cross multiply
    104,826.15x = 144,661.82 × 57,080.43
  4. Step 4: Simplify right side
    104,826.15x = 8,257,358,604.78
  5. Step 5: Solve for x
    x = 8,257,358,604.78/104,826.15
  6. Step 6: Final answer
    x = 78,771.93

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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.