Home / 60,495.12-90,747-16,121.64

Finding the Fourth Proportional to 60,495.12, 90,747 and 16,121.64

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Solution

The fourth proportional to 60,495.12, 90,747 and 16,121.64 is: 24,183.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,495.12 : 90,747 = 16,121.64 : x
  2. Step 2: Convert to fraction form
    60,495.12/90,747 = 16,121.64/x
  3. Step 3: Cross multiply
    60,495.12x = 90,747 × 16,121.64
  4. Step 4: Simplify right side
    60,495.12x = 1,462,990,465.08
  5. Step 5: Solve for x
    x = 1,462,990,465.08/60,495.12
  6. Step 6: Final answer
    x = 24,183.61

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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.