Home / 82,922.51-114,761.93-80,932.68

Finding the Fourth Proportional to 82,922.51, 114,761.93 and 80,932.68

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Solution

The fourth proportional to 82,922.51, 114,761.93 and 80,932.68 is: 112,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,922.51 : 114,761.93 = 80,932.68 : x
  2. Step 2: Convert to fraction form
    82,922.51/114,761.93 = 80,932.68/x
  3. Step 3: Cross multiply
    82,922.51x = 114,761.93 × 80,932.68
  4. Step 4: Simplify right side
    82,922.51x = 9,287,990,556.87
  5. Step 5: Solve for x
    x = 9,287,990,556.87/82,922.51
  6. Step 6: Final answer
    x = 112,008.07

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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.