Home / 85,107.64-127,670.19-32,561.32

Finding the Fourth Proportional to 85,107.64, 127,670.19 and 32,561.32

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Solution

The fourth proportional to 85,107.64, 127,670.19 and 32,561.32 is: 48,845.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,107.64 : 127,670.19 = 32,561.32 : x
  2. Step 2: Convert to fraction form
    85,107.64/127,670.19 = 32,561.32/x
  3. Step 3: Cross multiply
    85,107.64x = 127,670.19 × 32,561.32
  4. Step 4: Simplify right side
    85,107.64x = 4,157,109,911.05
  5. Step 5: Solve for x
    x = 4,157,109,911.05/85,107.64
  6. Step 6: Final answer
    x = 48,845.32

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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.