Home / 104,922.57-144,789.48-57,174.96

Finding the Fourth Proportional to 104,922.57, 144,789.48 and 57,174.96

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Solution

The fourth proportional to 104,922.57, 144,789.48 and 57,174.96 is: 78,899.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,922.57 : 144,789.48 = 57,174.96 : x
  2. Step 2: Convert to fraction form
    104,922.57/144,789.48 = 57,174.96/x
  3. Step 3: Cross multiply
    104,922.57x = 144,789.48 × 57,174.96
  4. Step 4: Simplify right side
    104,922.57x = 8,278,332,727.42
  5. Step 5: Solve for x
    x = 8,278,332,727.42/104,922.57
  6. Step 6: Final answer
    x = 78,899.45

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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.