Home / 104,728.31-157,116.77-34,603.37

Finding the Fourth Proportional to 104,728.31, 157,116.77 and 34,603.37

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Solution

The fourth proportional to 104,728.31, 157,116.77 and 34,603.37 is: 51,913.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,728.31 : 157,116.77 = 34,603.37 : x
  2. Step 2: Convert to fraction form
    104,728.31/157,116.77 = 34,603.37/x
  3. Step 3: Cross multiply
    104,728.31x = 157,116.77 × 34,603.37
  4. Step 4: Simplify right side
    104,728.31x = 5,436,770,031.80
  5. Step 5: Solve for x
    x = 5,436,770,031.80/104,728.31
  6. Step 6: Final answer
    x = 51,913.09

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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.