Home / 80,273.09-110,777.67-48,435.86

Finding the Fourth Proportional to 80,273.09, 110,777.67 and 48,435.86

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Solution

The fourth proportional to 80,273.09, 110,777.67 and 48,435.86 is: 66,841.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,273.09 : 110,777.67 = 48,435.86 : x
  2. Step 2: Convert to fraction form
    80,273.09/110,777.67 = 48,435.86/x
  3. Step 3: Cross multiply
    80,273.09x = 110,777.67 × 48,435.86
  4. Step 4: Simplify right side
    80,273.09x = 5,365,611,715.25
  5. Step 5: Solve for x
    x = 5,365,611,715.25/80,273.09
  6. Step 6: Final answer
    x = 66,841.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.