Home / 75,968.40-104,836.60-41,977.84

Finding the Fourth Proportional to 75,968.40, 104,836.60 and 41,977.84

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Solution

The fourth proportional to 75,968.40, 104,836.60 and 41,977.84 is: 57,929.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,968.40 : 104,836.60 = 41,977.84 : x
  2. Step 2: Convert to fraction form
    75,968.40/104,836.60 = 41,977.84/x
  3. Step 3: Cross multiply
    75,968.40x = 104,836.60 × 41,977.84
  4. Step 4: Simplify right side
    75,968.40x = 4,400,814,020.94
  5. Step 5: Solve for x
    x = 4,400,814,020.94/75,968.40
  6. Step 6: Final answer
    x = 57,929.53

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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.