Home / 83,674.49-125,500.66-31,076.87

Finding the Fourth Proportional to 83,674.49, 125,500.66 and 31,076.87

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Solution

The fourth proportional to 83,674.49, 125,500.66 and 31,076.87 is: 46,611.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,674.49 : 125,500.66 = 31,076.87 : x
  2. Step 2: Convert to fraction form
    83,674.49/125,500.66 = 31,076.87/x
  3. Step 3: Cross multiply
    83,674.49x = 125,500.66 × 31,076.87
  4. Step 4: Simplify right side
    83,674.49x = 3,900,166,990.54
  5. Step 5: Solve for x
    x = 3,900,166,990.54/83,674.49
  6. Step 6: Final answer
    x = 46,611.19

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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.