Home / 75,912.54-113,807.26-31,572.46

Finding the Fourth Proportional to 75,912.54, 113,807.26 and 31,572.46

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Solution

The fourth proportional to 75,912.54, 113,807.26 and 31,572.46 is: 47,333.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,912.54 : 113,807.26 = 31,572.46 : x
  2. Step 2: Convert to fraction form
    75,912.54/113,807.26 = 31,572.46/x
  3. Step 3: Cross multiply
    75,912.54x = 113,807.26 × 31,572.46
  4. Step 4: Simplify right side
    75,912.54x = 3,593,175,164.06
  5. Step 5: Solve for x
    x = 3,593,175,164.06/75,912.54
  6. Step 6: Final answer
    x = 47,333.09

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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.