Home / 105,913.72-158,628.66-50,548.60

Finding the Fourth Proportional to 105,913.72, 158,628.66 and 50,548.60

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Solution

The fourth proportional to 105,913.72, 158,628.66 and 50,548.60 is: 75,707.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,913.72 : 158,628.66 = 50,548.60 : x
  2. Step 2: Convert to fraction form
    105,913.72/158,628.66 = 50,548.60/x
  3. Step 3: Cross multiply
    105,913.72x = 158,628.66 × 50,548.60
  4. Step 4: Simplify right side
    105,913.72x = 8,018,456,682.88
  5. Step 5: Solve for x
    x = 8,018,456,682.88/105,913.72
  6. Step 6: Final answer
    x = 75,707.44

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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.