Home / 57,840.06-86,716.11-40,023.36

Finding the Fourth Proportional to 57,840.06, 86,716.11 and 40,023.36

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Solution

The fourth proportional to 57,840.06, 86,716.11 and 40,023.36 is: 60,004.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,840.06 : 86,716.11 = 40,023.36 : x
  2. Step 2: Convert to fraction form
    57,840.06/86,716.11 = 40,023.36/x
  3. Step 3: Cross multiply
    57,840.06x = 86,716.11 × 40,023.36
  4. Step 4: Simplify right side
    57,840.06x = 3,470,670,238.42
  5. Step 5: Solve for x
    x = 3,470,670,238.42/57,840.06
  6. Step 6: Final answer
    x = 60,004.61

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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.