Home / 80,268.09-110,770.77-48,430.86

Finding the Fourth Proportional to 80,268.09, 110,770.77 and 48,430.86

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Solution

The fourth proportional to 80,268.09, 110,770.77 and 48,430.86 is: 66,835.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,268.09 : 110,770.77 = 48,430.86 : x
  2. Step 2: Convert to fraction form
    80,268.09/110,770.77 = 48,430.86/x
  3. Step 3: Cross multiply
    80,268.09x = 110,770.77 × 48,430.86
  4. Step 4: Simplify right side
    80,268.09x = 5,364,723,653.96
  5. Step 5: Solve for x
    x = 5,364,723,653.96/80,268.09
  6. Step 6: Final answer
    x = 66,835.07

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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.