Home / 80,668.28-111,323.54-44,371.16

Finding the Fourth Proportional to 80,668.28, 111,323.54 and 44,371.16

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Solution

The fourth proportional to 80,668.28, 111,323.54 and 44,371.16 is: 61,232.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,668.28 : 111,323.54 = 44,371.16 : x
  2. Step 2: Convert to fraction form
    80,668.28/111,323.54 = 44,371.16/x
  3. Step 3: Cross multiply
    80,668.28x = 111,323.54 × 44,371.16
  4. Step 4: Simplify right side
    80,668.28x = 4,939,554,605.11
  5. Step 5: Solve for x
    x = 4,939,554,605.11/80,668.28
  6. Step 6: Final answer
    x = 61,232.92

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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.