Home / 104,295.14-143,886.59-68,039.21

Finding the Fourth Proportional to 104,295.14, 143,886.59 and 68,039.21

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Solution

The fourth proportional to 104,295.14, 143,886.59 and 68,039.21 is: 93,867.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,295.14 : 143,886.59 = 68,039.21 : x
  2. Step 2: Convert to fraction form
    104,295.14/143,886.59 = 68,039.21/x
  3. Step 3: Cross multiply
    104,295.14x = 143,886.59 × 68,039.21
  4. Step 4: Simplify right side
    104,295.14x = 9,789,929,913.19
  5. Step 5: Solve for x
    x = 9,789,929,913.19/104,295.14
  6. Step 6: Final answer
    x = 93,867.56

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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.