Home / 74,514.75-102,778.30-50,599.90

Finding the Fourth Proportional to 74,514.75, 102,778.30 and 50,599.90

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Solution

The fourth proportional to 74,514.75, 102,778.30 and 50,599.90 is: 69,792.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,514.75 : 102,778.30 = 50,599.90 : x
  2. Step 2: Convert to fraction form
    74,514.75/102,778.30 = 50,599.90/x
  3. Step 3: Cross multiply
    74,514.75x = 102,778.30 × 50,599.90
  4. Step 4: Simplify right side
    74,514.75x = 5,200,571,702.17
  5. Step 5: Solve for x
    x = 5,200,571,702.17/74,514.75
  6. Step 6: Final answer
    x = 69,792.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.