Home / 75,433.20-113,164.38-25,521.43

Finding the Fourth Proportional to 75,433.20, 113,164.38 and 25,521.43

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Solution

The fourth proportional to 75,433.20, 113,164.38 and 25,521.43 is: 38,287.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,433.20 : 113,164.38 = 25,521.43 : x
  2. Step 2: Convert to fraction form
    75,433.20/113,164.38 = 25,521.43/x
  3. Step 3: Cross multiply
    75,433.20x = 113,164.38 × 25,521.43
  4. Step 4: Simplify right side
    75,433.20x = 2,888,116,236.84
  5. Step 5: Solve for x
    x = 2,888,116,236.84/75,433.20
  6. Step 6: Final answer
    x = 38,287.07

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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.