Home / 75,425.88-113,153.37-28,675.11

Finding the Fourth Proportional to 75,425.88, 113,153.37 and 28,675.11

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Solution

The fourth proportional to 75,425.88, 113,153.37 and 28,675.11 is: 43,018.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,425.88 : 113,153.37 = 28,675.11 : x
  2. Step 2: Convert to fraction form
    75,425.88/113,153.37 = 28,675.11/x
  3. Step 3: Cross multiply
    75,425.88x = 113,153.37 × 28,675.11
  4. Step 4: Simplify right side
    75,425.88x = 3,244,685,331.62
  5. Step 5: Solve for x
    x = 3,244,685,331.62/75,425.88
  6. Step 6: Final answer
    x = 43,018.20

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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.