Home / 86,369.07-119,189.57-50,077.56

Finding the Fourth Proportional to 86,369.07, 119,189.57 and 50,077.56

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Solution

The fourth proportional to 86,369.07, 119,189.57 and 50,077.56 is: 69,107.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,369.07 : 119,189.57 = 50,077.56 : x
  2. Step 2: Convert to fraction form
    86,369.07/119,189.57 = 50,077.56/x
  3. Step 3: Cross multiply
    86,369.07x = 119,189.57 × 50,077.56
  4. Step 4: Simplify right side
    86,369.07x = 5,968,722,592.66
  5. Step 5: Solve for x
    x = 5,968,722,592.66/86,369.07
  6. Step 6: Final answer
    x = 69,107.18

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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.