Home / 70,516.24-105,815.77-26,173.80

Finding the Fourth Proportional to 70,516.24, 105,815.77 and 26,173.80

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Solution

The fourth proportional to 70,516.24, 105,815.77 and 26,173.80 is: 39,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,516.24 : 105,815.77 = 26,173.80 : x
  2. Step 2: Convert to fraction form
    70,516.24/105,815.77 = 26,173.80/x
  3. Step 3: Cross multiply
    70,516.24x = 105,815.77 × 26,173.80
  4. Step 4: Simplify right side
    70,516.24x = 2,769,600,735.39
  5. Step 5: Solve for x
    x = 2,769,600,735.39/70,516.24
  6. Step 6: Final answer
    x = 39,276.07

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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.