Home / 72,183.18-108,274.77-35,215.50

Finding the Fourth Proportional to 72,183.18, 108,274.77 and 35,215.50

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Solution

The fourth proportional to 72,183.18, 108,274.77 and 35,215.50 is: 52,823.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,183.18 : 108,274.77 = 35,215.50 : x
  2. Step 2: Convert to fraction form
    72,183.18/108,274.77 = 35,215.50/x
  3. Step 3: Cross multiply
    72,183.18x = 108,274.77 × 35,215.50
  4. Step 4: Simplify right side
    72,183.18x = 3,812,950,162.94
  5. Step 5: Solve for x
    x = 3,812,950,162.94/72,183.18
  6. Step 6: Final answer
    x = 52,823.25

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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.