Home / 75,325.20-104,086.31-54,871.67

Finding the Fourth Proportional to 75,325.20, 104,086.31 and 54,871.67

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Solution

The fourth proportional to 75,325.20, 104,086.31 and 54,871.67 is: 75,823.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,325.20 : 104,086.31 = 54,871.67 : x
  2. Step 2: Convert to fraction form
    75,325.20/104,086.31 = 54,871.67/x
  3. Step 3: Cross multiply
    75,325.20x = 104,086.31 × 54,871.67
  4. Step 4: Simplify right side
    75,325.20x = 5,711,388,859.05
  5. Step 5: Solve for x
    x = 5,711,388,859.05/75,325.20
  6. Step 6: Final answer
    x = 75,823.08

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.