Home / 76,183.57-105,185.28-47,514.43

Finding the Fourth Proportional to 76,183.57, 105,185.28 and 47,514.43

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Solution

The fourth proportional to 76,183.57, 105,185.28 and 47,514.43 is: 65,602.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,183.57 : 105,185.28 = 47,514.43 : x
  2. Step 2: Convert to fraction form
    76,183.57/105,185.28 = 47,514.43/x
  3. Step 3: Cross multiply
    76,183.57x = 105,185.28 × 47,514.43
  4. Step 4: Simplify right side
    76,183.57x = 4,997,818,623.59
  5. Step 5: Solve for x
    x = 4,997,818,623.59/76,183.57
  6. Step 6: Final answer
    x = 65,602.32

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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.