Home / 74,314.60-111,485.40-24,380.80

Finding the Fourth Proportional to 74,314.60, 111,485.40 and 24,380.80

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Solution

The fourth proportional to 74,314.60, 111,485.40 and 24,380.80 is: 36,575.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,314.60 : 111,485.40 = 24,380.80 : x
  2. Step 2: Convert to fraction form
    74,314.60/111,485.40 = 24,380.80/x
  3. Step 3: Cross multiply
    74,314.60x = 111,485.40 × 24,380.80
  4. Step 4: Simplify right side
    74,314.60x = 2,718,103,240.32
  5. Step 5: Solve for x
    x = 2,718,103,240.32/74,314.60
  6. Step 6: Final answer
    x = 36,575.63

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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.