Home / 101,076.30-151,432.20-48,369.60

Finding the Fourth Proportional to 101,076.30, 151,432.20 and 48,369.60

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Solution

The fourth proportional to 101,076.30, 151,432.20 and 48,369.60 is: 72,467.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,076.30 : 151,432.20 = 48,369.60 : x
  2. Step 2: Convert to fraction form
    101,076.30/151,432.20 = 48,369.60/x
  3. Step 3: Cross multiply
    101,076.30x = 151,432.20 × 48,369.60
  4. Step 4: Simplify right side
    101,076.30x = 7,324,714,941.12
  5. Step 5: Solve for x
    x = 7,324,714,941.12/101,076.30
  6. Step 6: Final answer
    x = 72,467.19

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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.