Home / 74,289.96-111,439.44-29,916.72

Finding the Fourth Proportional to 74,289.96, 111,439.44 and 29,916.72

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Solution

The fourth proportional to 74,289.96, 111,439.44 and 29,916.72 is: 44,876.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,289.96 : 111,439.44 = 29,916.72 : x
  2. Step 2: Convert to fraction form
    74,289.96/111,439.44 = 29,916.72/x
  3. Step 3: Cross multiply
    74,289.96x = 111,439.44 × 29,916.72
  4. Step 4: Simplify right side
    74,289.96x = 3,333,902,523.44
  5. Step 5: Solve for x
    x = 3,333,902,523.44/74,289.96
  6. Step 6: Final answer
    x = 44,876.89

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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.