Home / 80,638.80-111,273.04-44,823

Finding the Fourth Proportional to 80,638.80, 111,273.04 and 44,823

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Solution

The fourth proportional to 80,638.80, 111,273.04 and 44,823 is: 61,851.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,638.80 : 111,273.04 = 44,823 : x
  2. Step 2: Convert to fraction form
    80,638.80/111,273.04 = 44,823/x
  3. Step 3: Cross multiply
    80,638.80x = 111,273.04 × 44,823
  4. Step 4: Simplify right side
    80,638.80x = 4,987,591,471.92
  5. Step 5: Solve for x
    x = 4,987,591,471.92/80,638.80
  6. Step 6: Final answer
    x = 61,851.01

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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.