Home / 75,911.54-113,805.77-31,571.46

Finding the Fourth Proportional to 75,911.54, 113,805.77 and 31,571.46

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Solution

The fourth proportional to 75,911.54, 113,805.77 and 31,571.46 is: 47,331.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,911.54 : 113,805.77 = 31,571.46 : x
  2. Step 2: Convert to fraction form
    75,911.54/113,805.77 = 31,571.46/x
  3. Step 3: Cross multiply
    75,911.54x = 113,805.77 × 31,571.46
  4. Step 4: Simplify right side
    75,911.54x = 3,593,014,157.47
  5. Step 5: Solve for x
    x = 3,593,014,157.47/75,911.54
  6. Step 6: Final answer
    x = 47,331.60

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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.