Home / 74,203.20-111,315.60-24,271.20

Finding the Fourth Proportional to 74,203.20, 111,315.60 and 24,271.20

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Solution

The fourth proportional to 74,203.20, 111,315.60 and 24,271.20 is: 36,410.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,203.20 : 111,315.60 = 24,271.20 : x
  2. Step 2: Convert to fraction form
    74,203.20/111,315.60 = 24,271.20/x
  3. Step 3: Cross multiply
    74,203.20x = 111,315.60 × 24,271.20
  4. Step 4: Simplify right side
    74,203.20x = 2,701,763,190.72
  5. Step 5: Solve for x
    x = 2,701,763,190.72/74,203.20
  6. Step 6: Final answer
    x = 36,410.33

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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.