Home / 72,524.51-108,787.97-19,933.67

Finding the Fourth Proportional to 72,524.51, 108,787.97 and 19,933.67

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Solution

The fourth proportional to 72,524.51, 108,787.97 and 19,933.67 is: 29,900.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,524.51 : 108,787.97 = 19,933.67 : x
  2. Step 2: Convert to fraction form
    72,524.51/108,787.97 = 19,933.67/x
  3. Step 3: Cross multiply
    72,524.51x = 108,787.97 × 19,933.67
  4. Step 4: Simplify right side
    72,524.51x = 2,168,543,493.95
  5. Step 5: Solve for x
    x = 2,168,543,493.95/72,524.51
  6. Step 6: Final answer
    x = 29,900.84

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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.