Home / 74,590.36-111,885.87-30,217.96

Finding the Fourth Proportional to 74,590.36, 111,885.87 and 30,217.96

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Solution

The fourth proportional to 74,590.36, 111,885.87 and 30,217.96 is: 45,327.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,590.36 : 111,885.87 = 30,217.96 : x
  2. Step 2: Convert to fraction form
    74,590.36/111,885.87 = 30,217.96/x
  3. Step 3: Cross multiply
    74,590.36x = 111,885.87 × 30,217.96
  4. Step 4: Simplify right side
    74,590.36x = 3,380,962,744.23
  5. Step 5: Solve for x
    x = 3,380,962,744.23/74,590.36
  6. Step 6: Final answer
    x = 45,327.07

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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.