Home / 75,351.16-103,984.70-41,359.84

Finding the Fourth Proportional to 75,351.16, 103,984.70 and 41,359.84

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Solution

The fourth proportional to 75,351.16, 103,984.70 and 41,359.84 is: 57,076.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,351.16 : 103,984.70 = 41,359.84 : x
  2. Step 2: Convert to fraction form
    75,351.16/103,984.70 = 41,359.84/x
  3. Step 3: Cross multiply
    75,351.16x = 103,984.70 × 41,359.84
  4. Step 4: Simplify right side
    75,351.16x = 4,300,790,554.45
  5. Step 5: Solve for x
    x = 4,300,790,554.45/75,351.16
  6. Step 6: Final answer
    x = 57,076.63

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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.