Home / 80,395.20-120,598.43-24,235.77

Finding the Fourth Proportional to 80,395.20, 120,598.43 and 24,235.77

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Solution

The fourth proportional to 80,395.20, 120,598.43 and 24,235.77 is: 36,355.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,395.20 : 120,598.43 = 24,235.77 : x
  2. Step 2: Convert to fraction form
    80,395.20/120,598.43 = 24,235.77/x
  3. Step 3: Cross multiply
    80,395.20x = 120,598.43 × 24,235.77
  4. Step 4: Simplify right side
    80,395.20x = 2,922,795,811.84
  5. Step 5: Solve for x
    x = 2,922,795,811.84/80,395.20
  6. Step 6: Final answer
    x = 36,355.35

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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.