Home / 74,456.36-111,684.47-30,083.10

Finding the Fourth Proportional to 74,456.36, 111,684.47 and 30,083.10

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Solution

The fourth proportional to 74,456.36, 111,684.47 and 30,083.10 is: 45,124.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,456.36 : 111,684.47 = 30,083.10 : x
  2. Step 2: Convert to fraction form
    74,456.36/111,684.47 = 30,083.10/x
  3. Step 3: Cross multiply
    74,456.36x = 111,684.47 × 30,083.10
  4. Step 4: Simplify right side
    74,456.36x = 3,359,814,679.44
  5. Step 5: Solve for x
    x = 3,359,814,679.44/74,456.36
  6. Step 6: Final answer
    x = 45,124.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.