Home / 104,865.84-144,764.64-67,162.32

Finding the Fourth Proportional to 104,865.84, 144,764.64 and 67,162.32

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Solution

The fourth proportional to 104,865.84, 144,764.64 and 67,162.32 is: 92,715.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,865.84 : 144,764.64 = 67,162.32 : x
  2. Step 2: Convert to fraction form
    104,865.84/144,764.64 = 67,162.32/x
  3. Step 3: Cross multiply
    104,865.84x = 144,764.64 × 67,162.32
  4. Step 4: Simplify right side
    104,865.84x = 9,722,729,076.36
  5. Step 5: Solve for x
    x = 9,722,729,076.36/104,865.84
  6. Step 6: Final answer
    x = 92,715.88

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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.