Home / 104,942.40-157,460.13-55,010.58

Finding the Fourth Proportional to 104,942.40, 157,460.13 and 55,010.58

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Solution

The fourth proportional to 104,942.40, 157,460.13 and 55,010.58 is: 82,540.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,942.40 : 157,460.13 = 55,010.58 : x
  2. Step 2: Convert to fraction form
    104,942.40/157,460.13 = 55,010.58/x
  3. Step 3: Cross multiply
    104,942.40x = 157,460.13 × 55,010.58
  4. Step 4: Simplify right side
    104,942.40x = 8,661,973,078.18
  5. Step 5: Solve for x
    x = 8,661,973,078.18/104,942.40
  6. Step 6: Final answer
    x = 82,540.26

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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.