Home / 105,843.26-146,062.45-57,445.27

Finding the Fourth Proportional to 105,843.26, 146,062.45 and 57,445.27

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Solution

The fourth proportional to 105,843.26, 146,062.45 and 57,445.27 is: 79,273.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,843.26 : 146,062.45 = 57,445.27 : x
  2. Step 2: Convert to fraction form
    105,843.26/146,062.45 = 57,445.27/x
  3. Step 3: Cross multiply
    105,843.26x = 146,062.45 × 57,445.27
  4. Step 4: Simplify right side
    105,843.26x = 8,390,596,511.96
  5. Step 5: Solve for x
    x = 8,390,596,511.96/105,843.26
  6. Step 6: Final answer
    x = 79,273.80

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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.