Home / 74,355.20-111,570.60-49,412.60

Finding the Fourth Proportional to 74,355.20, 111,570.60 and 49,412.60

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Solution

The fourth proportional to 74,355.20, 111,570.60 and 49,412.60 is: 74,144.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,355.20 : 111,570.60 = 49,412.60 : x
  2. Step 2: Convert to fraction form
    74,355.20/111,570.60 = 49,412.60/x
  3. Step 3: Cross multiply
    74,355.20x = 111,570.60 × 49,412.60
  4. Step 4: Simplify right side
    74,355.20x = 5,512,993,429.56
  5. Step 5: Solve for x
    x = 5,512,993,429.56/74,355.20
  6. Step 6: Final answer
    x = 74,144.02

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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.