Home / 87,946.84-131,827.38-28,766.68

Finding the Fourth Proportional to 87,946.84, 131,827.38 and 28,766.68

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Solution

The fourth proportional to 87,946.84, 131,827.38 and 28,766.68 is: 43,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,946.84 : 131,827.38 = 28,766.68 : x
  2. Step 2: Convert to fraction form
    87,946.84/131,827.38 = 28,766.68/x
  3. Step 3: Cross multiply
    87,946.84x = 131,827.38 × 28,766.68
  4. Step 4: Simplify right side
    87,946.84x = 3,792,236,055.70
  5. Step 5: Solve for x
    x = 3,792,236,055.70/87,946.84
  6. Step 6: Final answer
    x = 43,119.64

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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.