Home / 75,512.48-113,282.37-31,114.53

Finding the Fourth Proportional to 75,512.48, 113,282.37 and 31,114.53

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Solution

The fourth proportional to 75,512.48, 113,282.37 and 31,114.53 is: 46,677.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,512.48 : 113,282.37 = 31,114.53 : x
  2. Step 2: Convert to fraction form
    75,512.48/113,282.37 = 31,114.53/x
  3. Step 3: Cross multiply
    75,512.48x = 113,282.37 × 31,114.53
  4. Step 4: Simplify right side
    75,512.48x = 3,524,727,699.84
  5. Step 5: Solve for x
    x = 3,524,727,699.84/75,512.48
  6. Step 6: Final answer
    x = 46,677.42

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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.