Home / 83,735.27-125,322.23-68,741.57

Finding the Fourth Proportional to 83,735.27, 125,322.23 and 68,741.57

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Solution

The fourth proportional to 83,735.27, 125,322.23 and 68,741.57 is: 102,881.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,735.27 : 125,322.23 = 68,741.57 : x
  2. Step 2: Convert to fraction form
    83,735.27/125,322.23 = 68,741.57/x
  3. Step 3: Cross multiply
    83,735.27x = 125,322.23 × 68,741.57
  4. Step 4: Simplify right side
    83,735.27x = 8,614,846,391.34
  5. Step 5: Solve for x
    x = 8,614,846,391.34/83,735.27
  6. Step 6: Final answer
    x = 102,881.93

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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.