Home / 104,923.15-144,789.73-57,175.47

Finding the Fourth Proportional to 104,923.15, 144,789.73 and 57,175.47

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Solution

The fourth proportional to 104,923.15, 144,789.73 and 57,175.47 is: 78,899.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,923.15 : 144,789.73 = 57,175.47 : x
  2. Step 2: Convert to fraction form
    104,923.15/144,789.73 = 57,175.47/x
  3. Step 3: Cross multiply
    104,923.15x = 144,789.73 × 57,175.47
  4. Step 4: Simplify right side
    104,923.15x = 8,278,420,720.98
  5. Step 5: Solve for x
    x = 8,278,420,720.98/104,923.15
  6. Step 6: Final answer
    x = 78,899.85

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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.