Home / 118,408.03-177,682.10-43,580.72

Finding the Fourth Proportional to 118,408.03, 177,682.10 and 43,580.72

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Solution

The fourth proportional to 118,408.03, 177,682.10 and 43,580.72 is: 65,396.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,408.03 : 177,682.10 = 43,580.72 : x
  2. Step 2: Convert to fraction form
    118,408.03/177,682.10 = 43,580.72/x
  3. Step 3: Cross multiply
    118,408.03x = 177,682.10 × 43,580.72
  4. Step 4: Simplify right side
    118,408.03x = 7,743,514,075.41
  5. Step 5: Solve for x
    x = 7,743,514,075.41/118,408.03
  6. Step 6: Final answer
    x = 65,396.87

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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.