Home / 93,028.89-128,375.96-52,745.36

Finding the Fourth Proportional to 93,028.89, 128,375.96 and 52,745.36

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Solution

The fourth proportional to 93,028.89, 128,375.96 and 52,745.36 is: 72,786.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,028.89 : 128,375.96 = 52,745.36 : x
  2. Step 2: Convert to fraction form
    93,028.89/128,375.96 = 52,745.36/x
  3. Step 3: Cross multiply
    93,028.89x = 128,375.96 × 52,745.36
  4. Step 4: Simplify right side
    93,028.89x = 6,771,235,319.94
  5. Step 5: Solve for x
    x = 6,771,235,319.94/93,028.89
  6. Step 6: Final answer
    x = 72,786.37

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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.