Home / 74,433.60-111,745.14-48,247.92

Finding the Fourth Proportional to 74,433.60, 111,745.14 and 48,247.92

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Solution

The fourth proportional to 74,433.60, 111,745.14 and 48,247.92 is: 72,433.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,433.60 : 111,745.14 = 48,247.92 : x
  2. Step 2: Convert to fraction form
    74,433.60/111,745.14 = 48,247.92/x
  3. Step 3: Cross multiply
    74,433.60x = 111,745.14 × 48,247.92
  4. Step 4: Simplify right side
    74,433.60x = 5,391,470,575.11
  5. Step 5: Solve for x
    x = 5,391,470,575.11/74,433.60
  6. Step 6: Final answer
    x = 72,433.29

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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.