Home / 66,400.14-91,628.93-36,185.37

Finding the Fourth Proportional to 66,400.14, 91,628.93 and 36,185.37

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Solution

The fourth proportional to 66,400.14, 91,628.93 and 36,185.37 is: 49,934.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,400.14 : 91,628.93 = 36,185.37 : x
  2. Step 2: Convert to fraction form
    66,400.14/91,628.93 = 36,185.37/x
  3. Step 3: Cross multiply
    66,400.14x = 91,628.93 × 36,185.37
  4. Step 4: Simplify right side
    66,400.14x = 3,315,626,734.75
  5. Step 5: Solve for x
    x = 3,315,626,734.75/66,400.14
  6. Step 6: Final answer
    x = 49,934.03

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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.