Home / 75,625.49-113,438.26-31,203.42

Finding the Fourth Proportional to 75,625.49, 113,438.26 and 31,203.42

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Solution

The fourth proportional to 75,625.49, 113,438.26 and 31,203.42 is: 46,805.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,625.49 : 113,438.26 = 31,203.42 : x
  2. Step 2: Convert to fraction form
    75,625.49/113,438.26 = 31,203.42/x
  3. Step 3: Cross multiply
    75,625.49x = 113,438.26 × 31,203.42
  4. Step 4: Simplify right side
    75,625.49x = 3,539,661,670.85
  5. Step 5: Solve for x
    x = 3,539,661,670.85/75,625.49
  6. Step 6: Final answer
    x = 46,805.14

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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.