Home / 83,708.64-125,513.75-33,790.37

Finding the Fourth Proportional to 83,708.64, 125,513.75 and 33,790.37

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Solution

The fourth proportional to 83,708.64, 125,513.75 and 33,790.37 is: 50,665.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,708.64 : 125,513.75 = 33,790.37 : x
  2. Step 2: Convert to fraction form
    83,708.64/125,513.75 = 33,790.37/x
  3. Step 3: Cross multiply
    83,708.64x = 125,513.75 × 33,790.37
  4. Step 4: Simplify right side
    83,708.64x = 4,241,155,509.49
  5. Step 5: Solve for x
    x = 4,241,155,509.49/83,708.64
  6. Step 6: Final answer
    x = 50,665.68

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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.