Home / 70,668.22-97,521.81-40,453.39

Finding the Fourth Proportional to 70,668.22, 97,521.81 and 40,453.39

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Solution

The fourth proportional to 70,668.22, 97,521.81 and 40,453.39 is: 55,825.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,668.22 : 97,521.81 = 40,453.39 : x
  2. Step 2: Convert to fraction form
    70,668.22/97,521.81 = 40,453.39/x
  3. Step 3: Cross multiply
    70,668.22x = 97,521.81 × 40,453.39
  4. Step 4: Simplify right side
    70,668.22x = 3,945,087,813.44
  5. Step 5: Solve for x
    x = 3,945,087,813.44/70,668.22
  6. Step 6: Final answer
    x = 55,825.49

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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.