Home / 104,076.22-143,628.66-63,782.20

Finding the Fourth Proportional to 104,076.22, 143,628.66 and 63,782.20

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Solution

The fourth proportional to 104,076.22, 143,628.66 and 63,782.20 is: 88,021.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,076.22 : 143,628.66 = 63,782.20 : x
  2. Step 2: Convert to fraction form
    104,076.22/143,628.66 = 63,782.20/x
  3. Step 3: Cross multiply
    104,076.22x = 143,628.66 × 63,782.20
  4. Step 4: Simplify right side
    104,076.22x = 9,160,951,558.78
  5. Step 5: Solve for x
    x = 9,160,951,558.78/104,076.22
  6. Step 6: Final answer
    x = 88,021.57

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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.