Home / 104,911.44-144,777.75-57,164.75

Finding the Fourth Proportional to 104,911.44, 144,777.75 and 57,164.75

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Solution

The fourth proportional to 104,911.44, 144,777.75 and 57,164.75 is: 78,887.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,911.44 : 144,777.75 = 57,164.75 : x
  2. Step 2: Convert to fraction form
    104,911.44/144,777.75 = 57,164.75/x
  3. Step 3: Cross multiply
    104,911.44x = 144,777.75 × 57,164.75
  4. Step 4: Simplify right side
    104,911.44x = 8,276,183,160.42
  5. Step 5: Solve for x
    x = 8,276,183,160.42/104,911.44
  6. Step 6: Final answer
    x = 78,887.33

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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.