Home / 74,518.38-111,788.69-24,603.75

Finding the Fourth Proportional to 74,518.38, 111,788.69 and 24,603.75

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Solution

The fourth proportional to 74,518.38, 111,788.69 and 24,603.75 is: 36,909.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,518.38 : 111,788.69 = 24,603.75 : x
  2. Step 2: Convert to fraction form
    74,518.38/111,788.69 = 24,603.75/x
  3. Step 3: Cross multiply
    74,518.38x = 111,788.69 × 24,603.75
  4. Step 4: Simplify right side
    74,518.38x = 2,750,420,858.57
  5. Step 5: Solve for x
    x = 2,750,420,858.57/74,518.38
  6. Step 6: Final answer
    x = 36,909.29

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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.