Home / 96,742.80-145,079.64-34,400.88

Finding the Fourth Proportional to 96,742.80, 145,079.64 and 34,400.88

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Solution

The fourth proportional to 96,742.80, 145,079.64 and 34,400.88 is: 51,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,742.80 : 145,079.64 = 34,400.88 : x
  2. Step 2: Convert to fraction form
    96,742.80/145,079.64 = 34,400.88/x
  3. Step 3: Cross multiply
    96,742.80x = 145,079.64 × 34,400.88
  4. Step 4: Simplify right side
    96,742.80x = 4,990,867,286.08
  5. Step 5: Solve for x
    x = 4,990,867,286.08/96,742.80
  6. Step 6: Final answer
    x = 51,589.03

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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.