Home / 104,515.82-144,229.44-56,768.12

Finding the Fourth Proportional to 104,515.82, 144,229.44 and 56,768.12

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Solution

The fourth proportional to 104,515.82, 144,229.44 and 56,768.12 is: 78,338.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,515.82 : 144,229.44 = 56,768.12 : x
  2. Step 2: Convert to fraction form
    104,515.82/144,229.44 = 56,768.12/x
  3. Step 3: Cross multiply
    104,515.82x = 144,229.44 × 56,768.12
  4. Step 4: Simplify right side
    104,515.82x = 8,187,634,157.45
  5. Step 5: Solve for x
    x = 8,187,634,157.45/104,515.82
  6. Step 6: Final answer
    x = 78,338.71

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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.