Home / 77,914.24-107,496.38-47,668.03

Finding the Fourth Proportional to 77,914.24, 107,496.38 and 47,668.03

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Solution

The fourth proportional to 77,914.24, 107,496.38 and 47,668.03 is: 65,766.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,914.24 : 107,496.38 = 47,668.03 : x
  2. Step 2: Convert to fraction form
    77,914.24/107,496.38 = 47,668.03/x
  3. Step 3: Cross multiply
    77,914.24x = 107,496.38 × 47,668.03
  4. Step 4: Simplify right side
    77,914.24x = 5,124,140,517.16
  5. Step 5: Solve for x
    x = 5,124,140,517.16/77,914.24
  6. Step 6: Final answer
    x = 65,766.42

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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.