Home / 80,406.06-120,570-24,235.73

Finding the Fourth Proportional to 80,406.06, 120,570 and 24,235.73

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Solution

The fourth proportional to 80,406.06, 120,570 and 24,235.73 is: 36,341.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,406.06 : 120,570 = 24,235.73 : x
  2. Step 2: Convert to fraction form
    80,406.06/120,570 = 24,235.73/x
  3. Step 3: Cross multiply
    80,406.06x = 120,570 × 24,235.73
  4. Step 4: Simplify right side
    80,406.06x = 2,922,101,966.10
  5. Step 5: Solve for x
    x = 2,922,101,966.10/80,406.06
  6. Step 6: Final answer
    x = 36,341.81

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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.