Home / 74,452.32-111,699.32-30,110.20

Finding the Fourth Proportional to 74,452.32, 111,699.32 and 30,110.20

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Solution

The fourth proportional to 74,452.32, 111,699.32 and 30,110.20 is: 45,173.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,452.32 : 111,699.32 = 30,110.20 : x
  2. Step 2: Convert to fraction form
    74,452.32/111,699.32 = 30,110.20/x
  3. Step 3: Cross multiply
    74,452.32x = 111,699.32 × 30,110.20
  4. Step 4: Simplify right side
    74,452.32x = 3,363,288,865.06
  5. Step 5: Solve for x
    x = 3,363,288,865.06/74,452.32
  6. Step 6: Final answer
    x = 45,173.73

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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.