Home / 100,716.30-150,892.20-48,009.60

Finding the Fourth Proportional to 100,716.30, 150,892.20 and 48,009.60

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Solution

The fourth proportional to 100,716.30, 150,892.20 and 48,009.60 is: 71,927.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,716.30 : 150,892.20 = 48,009.60 : x
  2. Step 2: Convert to fraction form
    100,716.30/150,892.20 = 48,009.60/x
  3. Step 3: Cross multiply
    100,716.30x = 150,892.20 × 48,009.60
  4. Step 4: Simplify right side
    100,716.30x = 7,244,274,165.12
  5. Step 5: Solve for x
    x = 7,244,274,165.12/100,716.30
  6. Step 6: Final answer
    x = 71,927.52

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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.