Home / 104,930.82-157,442.72-54,999.05

Finding the Fourth Proportional to 104,930.82, 157,442.72 and 54,999.05

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Solution

The fourth proportional to 104,930.82, 157,442.72 and 54,999.05 is: 82,522.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,930.82 : 157,442.72 = 54,999.05 : x
  2. Step 2: Convert to fraction form
    104,930.82/157,442.72 = 54,999.05/x
  3. Step 3: Cross multiply
    104,930.82x = 157,442.72 × 54,999.05
  4. Step 4: Simplify right side
    104,930.82x = 8,659,198,967.21
  5. Step 5: Solve for x
    x = 8,659,198,967.21/104,930.82
  6. Step 6: Final answer
    x = 82,522.93

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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.