Home / 80,881.26-111,616.58-46,909.88

Finding the Fourth Proportional to 80,881.26, 111,616.58 and 46,909.88

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Solution

The fourth proportional to 80,881.26, 111,616.58 and 46,909.88 is: 64,735.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,881.26 : 111,616.58 = 46,909.88 : x
  2. Step 2: Convert to fraction form
    80,881.26/111,616.58 = 46,909.88/x
  3. Step 3: Cross multiply
    80,881.26x = 111,616.58 × 46,909.88
  4. Step 4: Simplify right side
    80,881.26x = 5,235,919,581.18
  5. Step 5: Solve for x
    x = 5,235,919,581.18/80,881.26
  6. Step 6: Final answer
    x = 64,735.88

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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.