Home / 45,201.31-67,748.20-34,071.30

Finding the Fourth Proportional to 45,201.31, 67,748.20 and 34,071.30

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Solution

The fourth proportional to 45,201.31, 67,748.20 and 34,071.30 is: 51,066.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,201.31 : 67,748.20 = 34,071.30 : x
  2. Step 2: Convert to fraction form
    45,201.31/67,748.20 = 34,071.30/x
  3. Step 3: Cross multiply
    45,201.31x = 67,748.20 × 34,071.30
  4. Step 4: Simplify right side
    45,201.31x = 2,308,269,161.48
  5. Step 5: Solve for x
    x = 2,308,269,161.48/45,201.31
  6. Step 6: Final answer
    x = 51,066.42

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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.