Home / 111,164.02-166,721.07-51,134.84

Finding the Fourth Proportional to 111,164.02, 166,721.07 and 51,134.84

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Solution

The fourth proportional to 111,164.02, 166,721.07 and 51,134.84 is: 76,690.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,164.02 : 166,721.07 = 51,134.84 : x
  2. Step 2: Convert to fraction form
    111,164.02/166,721.07 = 51,134.84/x
  3. Step 3: Cross multiply
    111,164.02x = 166,721.07 × 51,134.84
  4. Step 4: Simplify right side
    111,164.02x = 8,525,255,828.88
  5. Step 5: Solve for x
    x = 8,525,255,828.88/111,164.02
  6. Step 6: Final answer
    x = 76,690.78

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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.