Home / 74,442.42-111,600.86-32,290.78

Finding the Fourth Proportional to 74,442.42, 111,600.86 and 32,290.78

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Solution

The fourth proportional to 74,442.42, 111,600.86 and 32,290.78 is: 48,408.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,442.42 : 111,600.86 = 32,290.78 : x
  2. Step 2: Convert to fraction form
    74,442.42/111,600.86 = 32,290.78/x
  3. Step 3: Cross multiply
    74,442.42x = 111,600.86 × 32,290.78
  4. Step 4: Simplify right side
    74,442.42x = 3,603,678,818.07
  5. Step 5: Solve for x
    x = 3,603,678,818.07/74,442.42
  6. Step 6: Final answer
    x = 48,408.94

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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.