Home / 83,440.26-115,127.73-50,733.68

Finding the Fourth Proportional to 83,440.26, 115,127.73 and 50,733.68

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Solution

The fourth proportional to 83,440.26, 115,127.73 and 50,733.68 is: 70,000.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,440.26 : 115,127.73 = 50,733.68 : x
  2. Step 2: Convert to fraction form
    83,440.26/115,127.73 = 50,733.68/x
  3. Step 3: Cross multiply
    83,440.26x = 115,127.73 × 50,733.68
  4. Step 4: Simplify right side
    83,440.26x = 5,840,852,837.31
  5. Step 5: Solve for x
    x = 5,840,852,837.31/83,440.26
  6. Step 6: Final answer
    x = 70,000.42

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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.