Home / 70,163.03-96,811.79-39,946.52

Finding the Fourth Proportional to 70,163.03, 96,811.79 and 39,946.52

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Solution

The fourth proportional to 70,163.03, 96,811.79 and 39,946.52 is: 55,118.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,163.03 : 96,811.79 = 39,946.52 : x
  2. Step 2: Convert to fraction form
    70,163.03/96,811.79 = 39,946.52/x
  3. Step 3: Cross multiply
    70,163.03x = 96,811.79 × 39,946.52
  4. Step 4: Simplify right side
    70,163.03x = 3,867,293,421.68
  5. Step 5: Solve for x
    x = 3,867,293,421.68/70,163.03
  6. Step 6: Final answer
    x = 55,118.68

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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.