Home / 72,211.14-108,315.63-25,464.42

Finding the Fourth Proportional to 72,211.14, 108,315.63 and 25,464.42

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Solution

The fourth proportional to 72,211.14, 108,315.63 and 25,464.42 is: 38,196.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.14 : 108,315.63 = 25,464.42 : x
  2. Step 2: Convert to fraction form
    72,211.14/108,315.63 = 25,464.42/x
  3. Step 3: Cross multiply
    72,211.14x = 108,315.63 × 25,464.42
  4. Step 4: Simplify right side
    72,211.14x = 2,758,194,694.88
  5. Step 5: Solve for x
    x = 2,758,194,694.88/72,211.14
  6. Step 6: Final answer
    x = 38,196.25

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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.