Home / 111,161.73-166,623.03-48,011.55

Finding the Fourth Proportional to 111,161.73, 166,623.03 and 48,011.55

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Solution

The fourth proportional to 111,161.73, 166,623.03 and 48,011.55 is: 71,965.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,161.73 : 166,623.03 = 48,011.55 : x
  2. Step 2: Convert to fraction form
    111,161.73/166,623.03 = 48,011.55/x
  3. Step 3: Cross multiply
    111,161.73x = 166,623.03 × 48,011.55
  4. Step 4: Simplify right side
    111,161.73x = 7,999,829,936.00
  5. Step 5: Solve for x
    x = 7,999,829,936.00/111,161.73
  6. Step 6: Final answer
    x = 71,965.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.