Home / 89,091.27-122,915.22-50,823.21

Finding the Fourth Proportional to 89,091.27, 122,915.22 and 50,823.21

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Solution

The fourth proportional to 89,091.27, 122,915.22 and 50,823.21 is: 70,118.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.27 : 122,915.22 = 50,823.21 : x
  2. Step 2: Convert to fraction form
    89,091.27/122,915.22 = 50,823.21/x
  3. Step 3: Cross multiply
    89,091.27x = 122,915.22 × 50,823.21
  4. Step 4: Simplify right side
    89,091.27x = 6,246,946,594.48
  5. Step 5: Solve for x
    x = 6,246,946,594.48/89,091.27
  6. Step 6: Final answer
    x = 70,118.50

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1.5x scale

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.