Home / 75,703.56-113,489.34-31,302.60

Finding the Fourth Proportional to 75,703.56, 113,489.34 and 31,302.60

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Solution

The fourth proportional to 75,703.56, 113,489.34 and 31,302.60 is: 46,926.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,703.56 : 113,489.34 = 31,302.60 : x
  2. Step 2: Convert to fraction form
    75,703.56/113,489.34 = 31,302.60/x
  3. Step 3: Cross multiply
    75,703.56x = 113,489.34 × 31,302.60
  4. Step 4: Simplify right side
    75,703.56x = 3,552,511,414.28
  5. Step 5: Solve for x
    x = 3,552,511,414.28/75,703.56
  6. Step 6: Final answer
    x = 46,926.61

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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.