Home / 104,904.14-144,786.44-61,881

Finding the Fourth Proportional to 104,904.14, 144,786.44 and 61,881

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Solution

The fourth proportional to 104,904.14, 144,786.44 and 61,881 is: 85,406.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,904.14 : 144,786.44 = 61,881 : x
  2. Step 2: Convert to fraction form
    104,904.14/144,786.44 = 61,881/x
  3. Step 3: Cross multiply
    104,904.14x = 144,786.44 × 61,881
  4. Step 4: Simplify right side
    104,904.14x = 8,959,529,693.64
  5. Step 5: Solve for x
    x = 8,959,529,693.64/104,904.14
  6. Step 6: Final answer
    x = 85,406.83

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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.