Home / 111,486.56-167,255.39-48,317.28

Finding the Fourth Proportional to 111,486.56, 167,255.39 and 48,317.28

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Solution

The fourth proportional to 111,486.56, 167,255.39 and 48,317.28 is: 72,486.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,486.56 : 167,255.39 = 48,317.28 : x
  2. Step 2: Convert to fraction form
    111,486.56/167,255.39 = 48,317.28/x
  3. Step 3: Cross multiply
    111,486.56x = 167,255.39 × 48,317.28
  4. Step 4: Simplify right side
    111,486.56x = 8,081,325,268.55
  5. Step 5: Solve for x
    x = 8,081,325,268.55/111,486.56
  6. Step 6: Final answer
    x = 72,486.99

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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.