Home / 104,107.28-143,667.86-56,360.61

Finding the Fourth Proportional to 104,107.28, 143,667.86 and 56,360.61

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Solution

The fourth proportional to 104,107.28, 143,667.86 and 56,360.61 is: 77,777.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,107.28 : 143,667.86 = 56,360.61 : x
  2. Step 2: Convert to fraction form
    104,107.28/143,667.86 = 56,360.61/x
  3. Step 3: Cross multiply
    104,107.28x = 143,667.86 × 56,360.61
  4. Step 4: Simplify right side
    104,107.28x = 8,097,208,262.22
  5. Step 5: Solve for x
    x = 8,097,208,262.22/104,107.28
  6. Step 6: Final answer
    x = 77,777.54

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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.