Home / 80,350.83-110,928.75-54,895.23

Finding the Fourth Proportional to 80,350.83, 110,928.75 and 54,895.23

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Solution

The fourth proportional to 80,350.83, 110,928.75 and 54,895.23 is: 75,785.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,350.83 : 110,928.75 = 54,895.23 : x
  2. Step 2: Convert to fraction form
    80,350.83/110,928.75 = 54,895.23/x
  3. Step 3: Cross multiply
    80,350.83x = 110,928.75 × 54,895.23
  4. Step 4: Simplify right side
    80,350.83x = 6,089,459,244.86
  5. Step 5: Solve for x
    x = 6,089,459,244.86/80,350.83
  6. Step 6: Final answer
    x = 75,785.89

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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.