Home / 80,941.06-121,382.43-34,197.58

Finding the Fourth Proportional to 80,941.06, 121,382.43 and 34,197.58

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Solution

The fourth proportional to 80,941.06, 121,382.43 and 34,197.58 is: 51,284.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,941.06 : 121,382.43 = 34,197.58 : x
  2. Step 2: Convert to fraction form
    80,941.06/121,382.43 = 34,197.58/x
  3. Step 3: Cross multiply
    80,941.06x = 121,382.43 × 34,197.58
  4. Step 4: Simplify right side
    80,941.06x = 4,150,985,360.52
  5. Step 5: Solve for x
    x = 4,150,985,360.52/80,941.06
  6. Step 6: Final answer
    x = 51,284.05

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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.