Home / 114,709.24-172,063.56-30,477.88

Finding the Fourth Proportional to 114,709.24, 172,063.56 and 30,477.88

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Solution

The fourth proportional to 114,709.24, 172,063.56 and 30,477.88 is: 45,716.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,709.24 : 172,063.56 = 30,477.88 : x
  2. Step 2: Convert to fraction form
    114,709.24/172,063.56 = 30,477.88/x
  3. Step 3: Cross multiply
    114,709.24x = 172,063.56 × 30,477.88
  4. Step 4: Simplify right side
    114,709.24x = 5,244,132,534.05
  5. Step 5: Solve for x
    x = 5,244,132,534.05/114,709.24
  6. Step 6: Final answer
    x = 45,716.74

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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.