Home / 80,324.08-120,378.60-35,941.36

Finding the Fourth Proportional to 80,324.08, 120,378.60 and 35,941.36

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Solution

The fourth proportional to 80,324.08, 120,378.60 and 35,941.36 is: 53,863.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,324.08 : 120,378.60 = 35,941.36 : x
  2. Step 2: Convert to fraction form
    80,324.08/120,378.60 = 35,941.36/x
  3. Step 3: Cross multiply
    80,324.08x = 120,378.60 × 35,941.36
  4. Step 4: Simplify right side
    80,324.08x = 4,326,570,598.90
  5. Step 5: Solve for x
    x = 4,326,570,598.90/80,324.08
  6. Step 6: Final answer
    x = 53,863.93

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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.