Home / 117,720.63-176,481.41-51,110.37

Finding the Fourth Proportional to 117,720.63, 176,481.41 and 51,110.37

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Solution

The fourth proportional to 117,720.63, 176,481.41 and 51,110.37 is: 76,622.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,720.63 : 176,481.41 = 51,110.37 : x
  2. Step 2: Convert to fraction form
    117,720.63/176,481.41 = 51,110.37/x
  3. Step 3: Cross multiply
    117,720.63x = 176,481.41 × 51,110.37
  4. Step 4: Simplify right side
    117,720.63x = 9,020,029,907.67
  5. Step 5: Solve for x
    x = 9,020,029,907.67/117,720.63
  6. Step 6: Final answer
    x = 76,622.34

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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.