Home / 74,604.90-111,907.35-30,233.10

Finding the Fourth Proportional to 74,604.90, 111,907.35 and 30,233.10

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Solution

The fourth proportional to 74,604.90, 111,907.35 and 30,233.10 is: 45,349.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,604.90 : 111,907.35 = 30,233.10 : x
  2. Step 2: Convert to fraction form
    74,604.90/111,907.35 = 30,233.10/x
  3. Step 3: Cross multiply
    74,604.90x = 111,907.35 × 30,233.10
  4. Step 4: Simplify right side
    74,604.90x = 3,383,306,103.29
  5. Step 5: Solve for x
    x = 3,383,306,103.29/74,604.90
  6. Step 6: Final answer
    x = 45,349.65

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Similar ratio
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1.5x scale

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.