Home / 76,509.03-114,754.41-20,353.25

Finding the Fourth Proportional to 76,509.03, 114,754.41 and 20,353.25

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Solution

The fourth proportional to 76,509.03, 114,754.41 and 20,353.25 is: 30,527.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,509.03 : 114,754.41 = 20,353.25 : x
  2. Step 2: Convert to fraction form
    76,509.03/114,754.41 = 20,353.25/x
  3. Step 3: Cross multiply
    76,509.03x = 114,754.41 × 20,353.25
  4. Step 4: Simplify right side
    76,509.03x = 2,335,625,195.33
  5. Step 5: Solve for x
    x = 2,335,625,195.33/76,509.03
  6. Step 6: Final answer
    x = 30,527.44

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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.