Home / 74,321.02-102,648.20-48,940.86

Finding the Fourth Proportional to 74,321.02, 102,648.20 and 48,940.86

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Solution

The fourth proportional to 74,321.02, 102,648.20 and 48,940.86 is: 67,594.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,321.02 : 102,648.20 = 48,940.86 : x
  2. Step 2: Convert to fraction form
    74,321.02/102,648.20 = 48,940.86/x
  3. Step 3: Cross multiply
    74,321.02x = 102,648.20 × 48,940.86
  4. Step 4: Simplify right side
    74,321.02x = 5,023,691,185.45
  5. Step 5: Solve for x
    x = 5,023,691,185.45/74,321.02
  6. Step 6: Final answer
    x = 67,594.49

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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.