Home / 74,919.90-112,234.05-41,580.30

Finding the Fourth Proportional to 74,919.90, 112,234.05 and 41,580.30

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Solution

The fourth proportional to 74,919.90, 112,234.05 and 41,580.30 is: 62,289.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,919.90 : 112,234.05 = 41,580.30 : x
  2. Step 2: Convert to fraction form
    74,919.90/112,234.05 = 41,580.30/x
  3. Step 3: Cross multiply
    74,919.90x = 112,234.05 × 41,580.30
  4. Step 4: Simplify right side
    74,919.90x = 4,666,725,469.22
  5. Step 5: Solve for x
    x = 4,666,725,469.22/74,919.90
  6. Step 6: Final answer
    x = 62,289.53

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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.