Home / 117,087.93-161,585.26-71,757.16

Finding the Fourth Proportional to 117,087.93, 161,585.26 and 71,757.16

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Solution

The fourth proportional to 117,087.93, 161,585.26 and 71,757.16 is: 99,027.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,087.93 : 161,585.26 = 71,757.16 : x
  2. Step 2: Convert to fraction form
    117,087.93/161,585.26 = 71,757.16/x
  3. Step 3: Cross multiply
    117,087.93x = 161,585.26 × 71,757.16
  4. Step 4: Simplify right side
    117,087.93x = 11,594,898,738.22
  5. Step 5: Solve for x
    x = 11,594,898,738.22/117,087.93
  6. Step 6: Final answer
    x = 99,027.27

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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.