Home / 80,821.27-111,528.96-44,515.65

Finding the Fourth Proportional to 80,821.27, 111,528.96 and 44,515.65

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Solution

The fourth proportional to 80,821.27, 111,528.96 and 44,515.65 is: 61,429.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,821.27 : 111,528.96 = 44,515.65 : x
  2. Step 2: Convert to fraction form
    80,821.27/111,528.96 = 44,515.65/x
  3. Step 3: Cross multiply
    80,821.27x = 111,528.96 × 44,515.65
  4. Step 4: Simplify right side
    80,821.27x = 4,964,784,148.22
  5. Step 5: Solve for x
    x = 4,964,784,148.22/80,821.27
  6. Step 6: Final answer
    x = 61,429.18

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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.