Home / 75,577.26-113,416.86-31,203

Finding the Fourth Proportional to 75,577.26, 113,416.86 and 31,203

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Solution

The fourth proportional to 75,577.26, 113,416.86 and 31,203 is: 46,825.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,577.26 : 113,416.86 = 31,203 : x
  2. Step 2: Convert to fraction form
    75,577.26/113,416.86 = 31,203/x
  3. Step 3: Cross multiply
    75,577.26x = 113,416.86 × 31,203
  4. Step 4: Simplify right side
    75,577.26x = 3,538,946,282.58
  5. Step 5: Solve for x
    x = 3,538,946,282.58/75,577.26
  6. Step 6: Final answer
    x = 46,825.54

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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.