Home / 76,146.75-105,067.62-47,836.02

Finding the Fourth Proportional to 76,146.75, 105,067.62 and 47,836.02

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Solution

The fourth proportional to 76,146.75, 105,067.62 and 47,836.02 is: 66,004.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,146.75 : 105,067.62 = 47,836.02 : x
  2. Step 2: Convert to fraction form
    76,146.75/105,067.62 = 47,836.02/x
  3. Step 3: Cross multiply
    76,146.75x = 105,067.62 × 47,836.02
  4. Step 4: Simplify right side
    76,146.75x = 5,026,016,771.67
  5. Step 5: Solve for x
    x = 5,026,016,771.67/76,146.75
  6. Step 6: Final answer
    x = 66,004.35

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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.