Home / 45,932.40-68,783.40-30,265.20

Finding the Fourth Proportional to 45,932.40, 68,783.40 and 30,265.20

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Solution

The fourth proportional to 45,932.40, 68,783.40 and 30,265.20 is: 45,321.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,932.40 : 68,783.40 = 30,265.20 : x
  2. Step 2: Convert to fraction form
    45,932.40/68,783.40 = 30,265.20/x
  3. Step 3: Cross multiply
    45,932.40x = 68,783.40 × 30,265.20
  4. Step 4: Simplify right side
    45,932.40x = 2,081,743,357.68
  5. Step 5: Solve for x
    x = 2,081,743,357.68/45,932.40
  6. Step 6: Final answer
    x = 45,321.89

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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.