Home / 81,845.28-112,932.36-46,032.48

Finding the Fourth Proportional to 81,845.28, 112,932.36 and 46,032.48

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Solution

The fourth proportional to 81,845.28, 112,932.36 and 46,032.48 is: 63,516.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,845.28 : 112,932.36 = 46,032.48 : x
  2. Step 2: Convert to fraction form
    81,845.28/112,932.36 = 46,032.48/x
  3. Step 3: Cross multiply
    81,845.28x = 112,932.36 × 46,032.48
  4. Step 4: Simplify right side
    81,845.28x = 5,198,556,603.05
  5. Step 5: Solve for x
    x = 5,198,556,603.05/81,845.28
  6. Step 6: Final answer
    x = 63,516.88

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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.