Home / 66,879.69-92,305.67-50,800.23

Finding the Fourth Proportional to 66,879.69, 92,305.67 and 50,800.23

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Solution

The fourth proportional to 66,879.69, 92,305.67 and 50,800.23 is: 70,113.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,879.69 : 92,305.67 = 50,800.23 : x
  2. Step 2: Convert to fraction form
    66,879.69/92,305.67 = 50,800.23/x
  3. Step 3: Cross multiply
    66,879.69x = 92,305.67 × 50,800.23
  4. Step 4: Simplify right side
    66,879.69x = 4,689,149,012.30
  5. Step 5: Solve for x
    x = 4,689,149,012.30/66,879.69
  6. Step 6: Final answer
    x = 70,113.20

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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.