Home / 80,840.06-121,273.59-36,465.83

Finding the Fourth Proportional to 80,840.06, 121,273.59 and 36,465.83

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Solution

The fourth proportional to 80,840.06, 121,273.59 and 36,465.83 is: 54,704.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,840.06 : 121,273.59 = 36,465.83 : x
  2. Step 2: Convert to fraction form
    80,840.06/121,273.59 = 36,465.83/x
  3. Step 3: Cross multiply
    80,840.06x = 121,273.59 × 36,465.83
  4. Step 4: Simplify right side
    80,840.06x = 4,422,342,116.43
  5. Step 5: Solve for x
    x = 4,422,342,116.43/80,840.06
  6. Step 6: Final answer
    x = 54,704.83

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1.5x scale

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.