Home / 80,582.62-111,206-44,283.79

Finding the Fourth Proportional to 80,582.62, 111,206 and 44,283.79

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Solution

The fourth proportional to 80,582.62, 111,206 and 44,283.79 is: 61,112.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,582.62 : 111,206 = 44,283.79 : x
  2. Step 2: Convert to fraction form
    80,582.62/111,206 = 44,283.79/x
  3. Step 3: Cross multiply
    80,582.62x = 111,206 × 44,283.79
  4. Step 4: Simplify right side
    80,582.62x = 4,924,623,150.74
  5. Step 5: Solve for x
    x = 4,924,623,150.74/80,582.62
  6. Step 6: Final answer
    x = 61,112.72

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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.