Home / 75,271.41-112,912.58-25,351.52

Finding the Fourth Proportional to 75,271.41, 112,912.58 and 25,351.52

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Solution

The fourth proportional to 75,271.41, 112,912.58 and 25,351.52 is: 38,029.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,271.41 : 112,912.58 = 25,351.52 : x
  2. Step 2: Convert to fraction form
    75,271.41/112,912.58 = 25,351.52/x
  3. Step 3: Cross multiply
    75,271.41x = 112,912.58 × 25,351.52
  4. Step 4: Simplify right side
    75,271.41x = 2,862,505,028.94
  5. Step 5: Solve for x
    x = 2,862,505,028.94/75,271.41
  6. Step 6: Final answer
    x = 38,029.11

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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.