Home / 66,093.28-99,150.26-21,709.92

Finding the Fourth Proportional to 66,093.28, 99,150.26 and 21,709.92

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Solution

The fourth proportional to 66,093.28, 99,150.26 and 21,709.92 is: 32,568.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,093.28 : 99,150.26 = 21,709.92 : x
  2. Step 2: Convert to fraction form
    66,093.28/99,150.26 = 21,709.92/x
  3. Step 3: Cross multiply
    66,093.28x = 99,150.26 × 21,709.92
  4. Step 4: Simplify right side
    66,093.28x = 2,152,544,212.58
  5. Step 5: Solve for x
    x = 2,152,544,212.58/66,093.28
  6. Step 6: Final answer
    x = 32,568.28

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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.