Home / 80,478.33-111,059.28-44,668.65

Finding the Fourth Proportional to 80,478.33, 111,059.28 and 44,668.65

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Solution

The fourth proportional to 80,478.33, 111,059.28 and 44,668.65 is: 61,642.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,478.33 : 111,059.28 = 44,668.65 : x
  2. Step 2: Convert to fraction form
    80,478.33/111,059.28 = 44,668.65/x
  3. Step 3: Cross multiply
    80,478.33x = 111,059.28 × 44,668.65
  4. Step 4: Simplify right side
    80,478.33x = 4,960,868,107.57
  5. Step 5: Solve for x
    x = 4,960,868,107.57/80,478.33
  6. Step 6: Final answer
    x = 61,642.28

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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.