Home / 80,457.08-120,696.60-46,738.94

Finding the Fourth Proportional to 80,457.08, 120,696.60 and 46,738.94

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Solution

The fourth proportional to 80,457.08, 120,696.60 and 46,738.94 is: 70,114.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,457.08 : 120,696.60 = 46,738.94 : x
  2. Step 2: Convert to fraction form
    80,457.08/120,696.60 = 46,738.94/x
  3. Step 3: Cross multiply
    80,457.08x = 120,696.60 × 46,738.94
  4. Step 4: Simplify right side
    80,457.08x = 5,641,231,145.60
  5. Step 5: Solve for x
    x = 5,641,231,145.60/80,457.08
  6. Step 6: Final answer
    x = 70,114.79

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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.