Home / 67,247.22-100,810.68-27,779.16

Finding the Fourth Proportional to 67,247.22, 100,810.68 and 27,779.16

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Solution

The fourth proportional to 67,247.22, 100,810.68 and 27,779.16 is: 41,643.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,247.22 : 100,810.68 = 27,779.16 : x
  2. Step 2: Convert to fraction form
    67,247.22/100,810.68 = 27,779.16/x
  3. Step 3: Cross multiply
    67,247.22x = 100,810.68 × 27,779.16
  4. Step 4: Simplify right side
    67,247.22x = 2,800,436,009.43
  5. Step 5: Solve for x
    x = 2,800,436,009.43/67,247.22
  6. Step 6: Final answer
    x = 41,643.89

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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.