Home / 83,916.73-125,930.31-39,556

Finding the Fourth Proportional to 83,916.73, 125,930.31 and 39,556

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Solution

The fourth proportional to 83,916.73, 125,930.31 and 39,556 is: 59,360.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,916.73 : 125,930.31 = 39,556 : x
  2. Step 2: Convert to fraction form
    83,916.73/125,930.31 = 39,556/x
  3. Step 3: Cross multiply
    83,916.73x = 125,930.31 × 39,556
  4. Step 4: Simplify right side
    83,916.73x = 4,981,299,342.36
  5. Step 5: Solve for x
    x = 4,981,299,342.36/83,916.73
  6. Step 6: Final answer
    x = 59,360.03

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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.