Home / 104,515.35-144,231.06-56,768.73

Finding the Fourth Proportional to 104,515.35, 144,231.06 and 56,768.73

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Solution

The fourth proportional to 104,515.35, 144,231.06 and 56,768.73 is: 78,340.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.35 : 144,231.06 = 56,768.73 : x
  2. Step 2: Convert to fraction form
    104,515.35/144,231.06 = 56,768.73/x
  3. Step 3: Cross multiply
    104,515.35x = 144,231.06 × 56,768.73
  4. Step 4: Simplify right side
    104,515.35x = 8,187,814,102.75
  5. Step 5: Solve for x
    x = 8,187,814,102.75/104,515.35
  6. Step 6: Final answer
    x = 78,340.78

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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.