Home / 86,405.88-119,240.38-50,114.33

Finding the Fourth Proportional to 86,405.88, 119,240.38 and 50,114.33

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Solution

The fourth proportional to 86,405.88, 119,240.38 and 50,114.33 is: 69,157.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,405.88 : 119,240.38 = 50,114.33 : x
  2. Step 2: Convert to fraction form
    86,405.88/119,240.38 = 50,114.33/x
  3. Step 3: Cross multiply
    86,405.88x = 119,240.38 × 50,114.33
  4. Step 4: Simplify right side
    86,405.88x = 5,975,651,384.34
  5. Step 5: Solve for x
    x = 5,975,651,384.34/86,405.88
  6. Step 6: Final answer
    x = 69,157.92

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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.