Home / 104,921.54-144,793.45-57,174.89

Finding the Fourth Proportional to 104,921.54, 144,793.45 and 57,174.89

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Solution

The fourth proportional to 104,921.54, 144,793.45 and 57,174.89 is: 78,902.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,921.54 : 144,793.45 = 57,174.89 : x
  2. Step 2: Convert to fraction form
    104,921.54/144,793.45 = 57,174.89/x
  3. Step 3: Cross multiply
    104,921.54x = 144,793.45 × 57,174.89
  4. Step 4: Simplify right side
    104,921.54x = 8,278,549,212.69
  5. Step 5: Solve for x
    x = 8,278,549,212.69/104,921.54
  6. Step 6: Final answer
    x = 78,902.29

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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.