Home / 75,867.12-104,671.66-49,025.44

Finding the Fourth Proportional to 75,867.12, 104,671.66 and 49,025.44

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Solution

The fourth proportional to 75,867.12, 104,671.66 and 49,025.44 is: 67,638.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,867.12 : 104,671.66 = 49,025.44 : x
  2. Step 2: Convert to fraction form
    75,867.12/104,671.66 = 49,025.44/x
  3. Step 3: Cross multiply
    75,867.12x = 104,671.66 × 49,025.44
  4. Step 4: Simplify right side
    75,867.12x = 5,131,574,187.03
  5. Step 5: Solve for x
    x = 5,131,574,187.03/75,867.12
  6. Step 6: Final answer
    x = 67,638.97

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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.