Home / 76,146.75-105,067.93-49,285.53

Finding the Fourth Proportional to 76,146.75, 105,067.93 and 49,285.53

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Solution

The fourth proportional to 76,146.75, 105,067.93 and 49,285.53 is: 68,004.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,146.75 : 105,067.93 = 49,285.53 : x
  2. Step 2: Convert to fraction form
    76,146.75/105,067.93 = 49,285.53/x
  3. Step 3: Cross multiply
    76,146.75x = 105,067.93 × 49,285.53
  4. Step 4: Simplify right side
    76,146.75x = 5,178,328,616.05
  5. Step 5: Solve for x
    x = 5,178,328,616.05/76,146.75
  6. Step 6: Final answer
    x = 68,004.59

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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.