Home / 75,396.30-112,922.18-35,981.09

Finding the Fourth Proportional to 75,396.30, 112,922.18 and 35,981.09

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Solution

The fourth proportional to 75,396.30, 112,922.18 and 35,981.09 is: 53,889.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,396.30 : 112,922.18 = 35,981.09 : x
  2. Step 2: Convert to fraction form
    75,396.30/112,922.18 = 35,981.09/x
  3. Step 3: Cross multiply
    75,396.30x = 112,922.18 × 35,981.09
  4. Step 4: Simplify right side
    75,396.30x = 4,063,063,121.58
  5. Step 5: Solve for x
    x = 4,063,063,121.58/75,396.30
  6. Step 6: Final answer
    x = 53,889.42

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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.