Home / 74,194.81-102,432.60-48,745.64

Finding the Fourth Proportional to 74,194.81, 102,432.60 and 48,745.64

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Solution

The fourth proportional to 74,194.81, 102,432.60 and 48,745.64 is: 67,297.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,194.81 : 102,432.60 = 48,745.64 : x
  2. Step 2: Convert to fraction form
    74,194.81/102,432.60 = 48,745.64/x
  3. Step 3: Cross multiply
    74,194.81x = 102,432.60 × 48,745.64
  4. Step 4: Simplify right side
    74,194.81x = 4,993,142,643.86
  5. Step 5: Solve for x
    x = 4,993,142,643.86/74,194.81
  6. Step 6: Final answer
    x = 67,297.73

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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.