Home / 86,153.18-118,873.94-50,336.26

Finding the Fourth Proportional to 86,153.18, 118,873.94 and 50,336.26

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Solution

The fourth proportional to 86,153.18, 118,873.94 and 50,336.26 is: 69,453.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,153.18 : 118,873.94 = 50,336.26 : x
  2. Step 2: Convert to fraction form
    86,153.18/118,873.94 = 50,336.26/x
  3. Step 3: Cross multiply
    86,153.18x = 118,873.94 × 50,336.26
  4. Step 4: Simplify right side
    86,153.18x = 5,983,669,551.06
  5. Step 5: Solve for x
    x = 5,983,669,551.06/86,153.18
  6. Step 6: Final answer
    x = 69,453.84

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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.