Home / 96,986.62-145,347.22-73,274.68

Finding the Fourth Proportional to 96,986.62, 145,347.22 and 73,274.68

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Solution

The fourth proportional to 96,986.62, 145,347.22 and 73,274.68 is: 109,811.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,986.62 : 145,347.22 = 73,274.68 : x
  2. Step 2: Convert to fraction form
    96,986.62/145,347.22 = 73,274.68/x
  3. Step 3: Cross multiply
    96,986.62x = 145,347.22 × 73,274.68
  4. Step 4: Simplify right side
    96,986.62x = 10,650,271,034.39
  5. Step 5: Solve for x
    x = 10,650,271,034.39/96,986.62
  6. Step 6: Final answer
    x = 109,811.76

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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.