Home / 75,821.34-113,698.98-40,274.88

Finding the Fourth Proportional to 75,821.34, 113,698.98 and 40,274.88

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Solution

The fourth proportional to 75,821.34, 113,698.98 and 40,274.88 is: 60,394.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,821.34 : 113,698.98 = 40,274.88 : x
  2. Step 2: Convert to fraction form
    75,821.34/113,698.98 = 40,274.88/x
  3. Step 3: Cross multiply
    75,821.34x = 113,698.98 × 40,274.88
  4. Step 4: Simplify right side
    75,821.34x = 4,579,212,775.62
  5. Step 5: Solve for x
    x = 4,579,212,775.62/75,821.34
  6. Step 6: Final answer
    x = 60,394.78

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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.