Home / 57,253.48-78,997.26-55,365.64

Finding the Fourth Proportional to 57,253.48, 78,997.26 and 55,365.64

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Solution

The fourth proportional to 57,253.48, 78,997.26 and 55,365.64 is: 76,392.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,253.48 : 78,997.26 = 55,365.64 : x
  2. Step 2: Convert to fraction form
    57,253.48/78,997.26 = 55,365.64/x
  3. Step 3: Cross multiply
    57,253.48x = 78,997.26 × 55,365.64
  4. Step 4: Simplify right side
    57,253.48x = 4,373,733,858.15
  5. Step 5: Solve for x
    x = 4,373,733,858.15/57,253.48
  6. Step 6: Final answer
    x = 76,392.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.