Home / 117,247.37-161,804.34-71,950.37

Finding the Fourth Proportional to 117,247.37, 161,804.34 and 71,950.37

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Solution

The fourth proportional to 117,247.37, 161,804.34 and 71,950.37 is: 99,293.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,247.37 : 161,804.34 = 71,950.37 : x
  2. Step 2: Convert to fraction form
    117,247.37/161,804.34 = 71,950.37/x
  3. Step 3: Cross multiply
    117,247.37x = 161,804.34 × 71,950.37
  4. Step 4: Simplify right side
    117,247.37x = 11,641,881,321.58
  5. Step 5: Solve for x
    x = 11,641,881,321.58/117,247.37
  6. Step 6: Final answer
    x = 99,293.33

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.