Home / 83,766.56-125,655.93-31,176

Finding the Fourth Proportional to 83,766.56, 125,655.93 and 31,176

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Solution

The fourth proportional to 83,766.56, 125,655.93 and 31,176 is: 46,766.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,766.56 : 125,655.93 = 31,176 : x
  2. Step 2: Convert to fraction form
    83,766.56/125,655.93 = 31,176/x
  3. Step 3: Cross multiply
    83,766.56x = 125,655.93 × 31,176
  4. Step 4: Simplify right side
    83,766.56x = 3,917,449,273.68
  5. Step 5: Solve for x
    x = 3,917,449,273.68/83,766.56
  6. Step 6: Final answer
    x = 46,766.27

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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.