Home / 79,825.06-119,626.38-40,336.07

Finding the Fourth Proportional to 79,825.06, 119,626.38 and 40,336.07

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Solution

The fourth proportional to 79,825.06, 119,626.38 and 40,336.07 is: 60,447.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,825.06 : 119,626.38 = 40,336.07 : x
  2. Step 2: Convert to fraction form
    79,825.06/119,626.38 = 40,336.07/x
  3. Step 3: Cross multiply
    79,825.06x = 119,626.38 × 40,336.07
  4. Step 4: Simplify right side
    79,825.06x = 4,825,258,336.59
  5. Step 5: Solve for x
    x = 4,825,258,336.59/79,825.06
  6. Step 6: Final answer
    x = 60,447.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.