Home / 103,949.73-143,447.22-58,628.88

Finding the Fourth Proportional to 103,949.73, 143,447.22 and 58,628.88

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Solution

The fourth proportional to 103,949.73, 143,447.22 and 58,628.88 is: 80,905.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,949.73 : 143,447.22 = 58,628.88 : x
  2. Step 2: Convert to fraction form
    103,949.73/143,447.22 = 58,628.88/x
  3. Step 3: Cross multiply
    103,949.73x = 143,447.22 × 58,628.88
  4. Step 4: Simplify right side
    103,949.73x = 8,410,149,847.71
  5. Step 5: Solve for x
    x = 8,410,149,847.71/103,949.73
  6. Step 6: Final answer
    x = 80,905.93

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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.