Home / 96,990.75-145,469.57-26,853.66

Finding the Fourth Proportional to 96,990.75, 145,469.57 and 26,853.66

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Solution

The fourth proportional to 96,990.75, 145,469.57 and 26,853.66 is: 40,275.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,990.75 : 145,469.57 = 26,853.66 : x
  2. Step 2: Convert to fraction form
    96,990.75/145,469.57 = 26,853.66/x
  3. Step 3: Cross multiply
    96,990.75x = 145,469.57 × 26,853.66
  4. Step 4: Simplify right side
    96,990.75x = 3,906,390,238.86
  5. Step 5: Solve for x
    x = 3,906,390,238.86/96,990.75
  6. Step 6: Final answer
    x = 40,275.91

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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.