Home / 104,922.12-144,790.68-57,175.80

Finding the Fourth Proportional to 104,922.12, 144,790.68 and 57,175.80

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Solution

The fourth proportional to 104,922.12, 144,790.68 and 57,175.80 is: 78,901.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,922.12 : 144,790.68 = 57,175.80 : x
  2. Step 2: Convert to fraction form
    104,922.12/144,790.68 = 57,175.80/x
  3. Step 3: Cross multiply
    104,922.12x = 144,790.68 × 57,175.80
  4. Step 4: Simplify right side
    104,922.12x = 8,278,522,961.54
  5. Step 5: Solve for x
    x = 8,278,522,961.54/104,922.12
  6. Step 6: Final answer
    x = 78,901.60

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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.