Home / 66,115.02-99,183.51-26,668.83

Finding the Fourth Proportional to 66,115.02, 99,183.51 and 26,668.83

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Solution

The fourth proportional to 66,115.02, 99,183.51 and 26,668.83 is: 40,007.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,115.02 : 99,183.51 = 26,668.83 : x
  2. Step 2: Convert to fraction form
    66,115.02/99,183.51 = 26,668.83/x
  3. Step 3: Cross multiply
    66,115.02x = 99,183.51 × 26,668.83
  4. Step 4: Simplify right side
    66,115.02x = 2,645,108,166.99
  5. Step 5: Solve for x
    x = 2,645,108,166.99/66,115.02
  6. Step 6: Final answer
    x = 40,007.67

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1.5x scale

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.