Home / 75,669.82-104,436.60-43,857.16

Finding the Fourth Proportional to 75,669.82, 104,436.60 and 43,857.16

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Solution

The fourth proportional to 75,669.82, 104,436.60 and 43,857.16 is: 60,529.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,669.82 : 104,436.60 = 43,857.16 : x
  2. Step 2: Convert to fraction form
    75,669.82/104,436.60 = 43,857.16/x
  3. Step 3: Cross multiply
    75,669.82x = 104,436.60 × 43,857.16
  4. Step 4: Simplify right side
    75,669.82x = 4,580,292,676.06
  5. Step 5: Solve for x
    x = 4,580,292,676.06/75,669.82
  6. Step 6: Final answer
    x = 60,529.98

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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.