Home / 81,942.92-122,916.72-44,520.92

Finding the Fourth Proportional to 81,942.92, 122,916.72 and 44,520.92

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Solution

The fourth proportional to 81,942.92, 122,916.72 and 44,520.92 is: 66,782.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,942.92 : 122,916.72 = 44,520.92 : x
  2. Step 2: Convert to fraction form
    81,942.92/122,916.72 = 44,520.92/x
  3. Step 3: Cross multiply
    81,942.92x = 122,916.72 × 44,520.92
  4. Step 4: Simplify right side
    81,942.92x = 5,472,365,457.78
  5. Step 5: Solve for x
    x = 5,472,365,457.78/81,942.92
  6. Step 6: Final answer
    x = 66,782.65

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1.5x scale

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.