Home / 104,620.82-144,376.43-56,873.75

Finding the Fourth Proportional to 104,620.82, 144,376.43 and 56,873.75

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Solution

The fourth proportional to 104,620.82, 144,376.43 and 56,873.75 is: 78,485.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,620.82 : 144,376.43 = 56,873.75 : x
  2. Step 2: Convert to fraction form
    104,620.82/144,376.43 = 56,873.75/x
  3. Step 3: Cross multiply
    104,620.82x = 144,376.43 × 56,873.75
  4. Step 4: Simplify right side
    104,620.82x = 8,211,227,979.46
  5. Step 5: Solve for x
    x = 8,211,227,979.46/104,620.82
  6. Step 6: Final answer
    x = 78,485.61

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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.