Home / 76,265.22-114,442.74-31,888.56

Finding the Fourth Proportional to 76,265.22, 114,442.74 and 31,888.56

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Solution

The fourth proportional to 76,265.22, 114,442.74 and 31,888.56 is: 47,851.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,265.22 : 114,442.74 = 31,888.56 : x
  2. Step 2: Convert to fraction form
    76,265.22/114,442.74 = 31,888.56/x
  3. Step 3: Cross multiply
    76,265.22x = 114,442.74 × 31,888.56
  4. Step 4: Simplify right side
    76,265.22x = 3,649,414,181.05
  5. Step 5: Solve for x
    x = 3,649,414,181.05/76,265.22
  6. Step 6: Final answer
    x = 47,851.62

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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.