Home / 74,103.90-111,074.30-36,608.46

Finding the Fourth Proportional to 74,103.90, 111,074.30 and 36,608.46

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Solution

The fourth proportional to 74,103.90, 111,074.30 and 36,608.46 is: 54,872.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,103.90 : 111,074.30 = 36,608.46 : x
  2. Step 2: Convert to fraction form
    74,103.90/111,074.30 = 36,608.46/x
  3. Step 3: Cross multiply
    74,103.90x = 111,074.30 × 36,608.46
  4. Step 4: Simplify right side
    74,103.90x = 4,066,258,885.54
  5. Step 5: Solve for x
    x = 4,066,258,885.54/74,103.90
  6. Step 6: Final answer
    x = 54,872.40

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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.