Home / 86,192.80-118,960.21-50,375.81

Finding the Fourth Proportional to 86,192.80, 118,960.21 and 50,375.81

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Solution

The fourth proportional to 86,192.80, 118,960.21 and 50,375.81 is: 69,526.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,192.80 : 118,960.21 = 50,375.81 : x
  2. Step 2: Convert to fraction form
    86,192.80/118,960.21 = 50,375.81/x
  3. Step 3: Cross multiply
    86,192.80x = 118,960.21 × 50,375.81
  4. Step 4: Simplify right side
    86,192.80x = 5,992,716,936.52
  5. Step 5: Solve for x
    x = 5,992,716,936.52/86,192.80
  6. Step 6: Final answer
    x = 69,526.89

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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.