Home / 80,895.42-111,628.26-52,256.64

Finding the Fourth Proportional to 80,895.42, 111,628.26 and 52,256.64

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Solution

The fourth proportional to 80,895.42, 111,628.26 and 52,256.64 is: 72,109.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,895.42 : 111,628.26 = 52,256.64 : x
  2. Step 2: Convert to fraction form
    80,895.42/111,628.26 = 52,256.64/x
  3. Step 3: Cross multiply
    80,895.42x = 111,628.26 × 52,256.64
  4. Step 4: Simplify right side
    80,895.42x = 5,833,317,796.65
  5. Step 5: Solve for x
    x = 5,833,317,796.65/80,895.42
  6. Step 6: Final answer
    x = 72,109.37

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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.