Home / 75,628.37-113,442.53-31,206.29

Finding the Fourth Proportional to 75,628.37, 113,442.53 and 31,206.29

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Solution

The fourth proportional to 75,628.37, 113,442.53 and 31,206.29 is: 46,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,628.37 : 113,442.53 = 31,206.29 : x
  2. Step 2: Convert to fraction form
    75,628.37/113,442.53 = 31,206.29/x
  3. Step 3: Cross multiply
    75,628.37x = 113,442.53 × 31,206.29
  4. Step 4: Simplify right side
    75,628.37x = 3,540,119,766.27
  5. Step 5: Solve for x
    x = 3,540,119,766.27/75,628.37
  6. Step 6: Final answer
    x = 46,809.41

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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.