Home / 74,001.28-110,982-34,519.84

Finding the Fourth Proportional to 74,001.28, 110,982 and 34,519.84

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Solution

The fourth proportional to 74,001.28, 110,982 and 34,519.84 is: 51,770.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,001.28 : 110,982 = 34,519.84 : x
  2. Step 2: Convert to fraction form
    74,001.28/110,982 = 34,519.84/x
  3. Step 3: Cross multiply
    74,001.28x = 110,982 × 34,519.84
  4. Step 4: Simplify right side
    74,001.28x = 3,831,080,882.88
  5. Step 5: Solve for x
    x = 3,831,080,882.88/74,001.28
  6. Step 6: Final answer
    x = 51,770.47

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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.