Home / 113,924.48-170,921.34-80,708.81

Finding the Fourth Proportional to 113,924.48, 170,921.34 and 80,708.81

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Solution

The fourth proportional to 113,924.48, 170,921.34 and 80,708.81 is: 121,087.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,924.48 : 170,921.34 = 80,708.81 : x
  2. Step 2: Convert to fraction form
    113,924.48/170,921.34 = 80,708.81/x
  3. Step 3: Cross multiply
    113,924.48x = 170,921.34 × 80,708.81
  4. Step 4: Simplify right side
    113,924.48x = 13,794,857,100.40
  5. Step 5: Solve for x
    x = 13,794,857,100.40/113,924.48
  6. Step 6: Final answer
    x = 121,087.74

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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.