Home / 75,419.03-104,054.85-43,576.31

Finding the Fourth Proportional to 75,419.03, 104,054.85 and 43,576.31

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Solution

The fourth proportional to 75,419.03, 104,054.85 and 43,576.31 is: 60,121.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,419.03 : 104,054.85 = 43,576.31 : x
  2. Step 2: Convert to fraction form
    75,419.03/104,054.85 = 43,576.31/x
  3. Step 3: Cross multiply
    75,419.03x = 104,054.85 × 43,576.31
  4. Step 4: Simplify right side
    75,419.03x = 4,534,326,400.60
  5. Step 5: Solve for x
    x = 4,534,326,400.60/75,419.03
  6. Step 6: Final answer
    x = 60,121.78

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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.