Home / 104,976.15-157,529.97-69,940.41

Finding the Fourth Proportional to 104,976.15, 157,529.97 and 69,940.41

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Solution

The fourth proportional to 104,976.15, 157,529.97 and 69,940.41 is: 104,954.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,976.15 : 157,529.97 = 69,940.41 : x
  2. Step 2: Convert to fraction form
    104,976.15/157,529.97 = 69,940.41/x
  3. Step 3: Cross multiply
    104,976.15x = 157,529.97 × 69,940.41
  4. Step 4: Simplify right side
    104,976.15x = 11,017,710,689.09
  5. Step 5: Solve for x
    x = 11,017,710,689.09/104,976.15
  6. Step 6: Final answer
    x = 104,954.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.