Home / 114,872.47-172,308.78-35,992.84

Finding the Fourth Proportional to 114,872.47, 172,308.78 and 35,992.84

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Solution

The fourth proportional to 114,872.47, 172,308.78 and 35,992.84 is: 53,989.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,872.47 : 172,308.78 = 35,992.84 : x
  2. Step 2: Convert to fraction form
    114,872.47/172,308.78 = 35,992.84/x
  3. Step 3: Cross multiply
    114,872.47x = 172,308.78 × 35,992.84
  4. Step 4: Simplify right side
    114,872.47x = 6,201,882,349.14
  5. Step 5: Solve for x
    x = 6,201,882,349.14/114,872.47
  6. Step 6: Final answer
    x = 53,989.28

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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.