Home / 74,515.01-111,821.75-35,083.40

Finding the Fourth Proportional to 74,515.01, 111,821.75 and 35,083.40

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Solution

The fourth proportional to 74,515.01, 111,821.75 and 35,083.40 is: 52,648.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,515.01 : 111,821.75 = 35,083.40 : x
  2. Step 2: Convert to fraction form
    74,515.01/111,821.75 = 35,083.40/x
  3. Step 3: Cross multiply
    74,515.01x = 111,821.75 × 35,083.40
  4. Step 4: Simplify right side
    74,515.01x = 3,923,087,183.95
  5. Step 5: Solve for x
    x = 3,923,087,183.95/74,515.01
  6. Step 6: Final answer
    x = 52,648.28

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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.