Home / 86,650.45-119,571.91-50,348.68

Finding the Fourth Proportional to 86,650.45, 119,571.91 and 50,348.68

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Solution

The fourth proportional to 86,650.45, 119,571.91 and 50,348.68 is: 69,477.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,650.45 : 119,571.91 = 50,348.68 : x
  2. Step 2: Convert to fraction form
    86,650.45/119,571.91 = 50,348.68/x
  3. Step 3: Cross multiply
    86,650.45x = 119,571.91 × 50,348.68
  4. Step 4: Simplify right side
    86,650.45x = 6,020,287,833.58
  5. Step 5: Solve for x
    x = 6,020,287,833.58/86,650.45
  6. Step 6: Final answer
    x = 69,477.86

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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.