Home / 168,048.72-251,985.60-49,704.09

Finding the Fourth Proportional to 168,048.72, 251,985.60 and 49,704.09

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Solution

The fourth proportional to 168,048.72, 251,985.60 and 49,704.09 is: 74,530.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    168,048.72 : 251,985.60 = 49,704.09 : x
  2. Step 2: Convert to fraction form
    168,048.72/251,985.60 = 49,704.09/x
  3. Step 3: Cross multiply
    168,048.72x = 251,985.60 × 49,704.09
  4. Step 4: Simplify right side
    168,048.72x = 12,524,714,941.10
  5. Step 5: Solve for x
    x = 12,524,714,941.10/168,048.72
  6. Step 6: Final answer
    x = 74,530.26

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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.