Home / 75,978.24-104,844.75-41,986.41

Finding the Fourth Proportional to 75,978.24, 104,844.75 and 41,986.41

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Solution

The fourth proportional to 75,978.24, 104,844.75 and 41,986.41 is: 57,938.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,978.24 : 104,844.75 = 41,986.41 : x
  2. Step 2: Convert to fraction form
    75,978.24/104,844.75 = 41,986.41/x
  3. Step 3: Cross multiply
    75,978.24x = 104,844.75 × 41,986.41
  4. Step 4: Simplify right side
    75,978.24x = 4,402,054,109.23
  5. Step 5: Solve for x
    x = 4,402,054,109.23/75,978.24
  6. Step 6: Final answer
    x = 57,938.36

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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.