Home / 113,136.82-169,742.07-53,964.79

Finding the Fourth Proportional to 113,136.82, 169,742.07 and 53,964.79

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Solution

The fourth proportional to 113,136.82, 169,742.07 and 53,964.79 is: 80,964.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,136.82 : 169,742.07 = 53,964.79 : x
  2. Step 2: Convert to fraction form
    113,136.82/169,742.07 = 53,964.79/x
  3. Step 3: Cross multiply
    113,136.82x = 169,742.07 × 53,964.79
  4. Step 4: Simplify right side
    113,136.82x = 9,160,095,161.72
  5. Step 5: Solve for x
    x = 9,160,095,161.72/113,136.82
  6. Step 6: Final answer
    x = 80,964.76

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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.