Home / 106,328.82-159,383.79-47,192.34

Finding the Fourth Proportional to 106,328.82, 159,383.79 and 47,192.34

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Solution

The fourth proportional to 106,328.82, 159,383.79 and 47,192.34 is: 70,739.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,328.82 : 159,383.79 = 47,192.34 : x
  2. Step 2: Convert to fraction form
    106,328.82/159,383.79 = 47,192.34/x
  3. Step 3: Cross multiply
    106,328.82x = 159,383.79 × 47,192.34
  4. Step 4: Simplify right side
    106,328.82x = 7,521,694,008.17
  5. Step 5: Solve for x
    x = 7,521,694,008.17/106,328.82
  6. Step 6: Final answer
    x = 70,739.94

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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.