Home / 80,032.78-120,055.35-23,868.61

Finding the Fourth Proportional to 80,032.78, 120,055.35 and 23,868.61

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Solution

The fourth proportional to 80,032.78, 120,055.35 and 23,868.61 is: 35,804.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,032.78 : 120,055.35 = 23,868.61 : x
  2. Step 2: Convert to fraction form
    80,032.78/120,055.35 = 23,868.61/x
  3. Step 3: Cross multiply
    80,032.78x = 120,055.35 × 23,868.61
  4. Step 4: Simplify right side
    80,032.78x = 2,865,554,327.56
  5. Step 5: Solve for x
    x = 2,865,554,327.56/80,032.78
  6. Step 6: Final answer
    x = 35,804.76

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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.