Home / 89,091.98-122,916.20-50,823.92

Finding the Fourth Proportional to 89,091.98, 122,916.20 and 50,823.92

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Solution

The fourth proportional to 89,091.98, 122,916.20 and 50,823.92 is: 70,119.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.98 : 122,916.20 = 50,823.92 : x
  2. Step 2: Convert to fraction form
    89,091.98/122,916.20 = 50,823.92/x
  3. Step 3: Cross multiply
    89,091.98x = 122,916.20 × 50,823.92
  4. Step 4: Simplify right side
    89,091.98x = 6,247,083,168.67
  5. Step 5: Solve for x
    x = 6,247,083,168.67/89,091.98
  6. Step 6: Final answer
    x = 70,119.48

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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.