Home / 75,839.25-104,661.41-42,305.25

Finding the Fourth Proportional to 75,839.25, 104,661.41 and 42,305.25

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Solution

The fourth proportional to 75,839.25, 104,661.41 and 42,305.25 is: 58,383.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,839.25 : 104,661.41 = 42,305.25 : x
  2. Step 2: Convert to fraction form
    75,839.25/104,661.41 = 42,305.25/x
  3. Step 3: Cross multiply
    75,839.25x = 104,661.41 × 42,305.25
  4. Step 4: Simplify right side
    75,839.25x = 4,427,726,903.88
  5. Step 5: Solve for x
    x = 4,427,726,903.88/75,839.25
  6. Step 6: Final answer
    x = 58,383.05

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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.