Home / 54,106.97-81,168.12-16,670.07

Finding the Fourth Proportional to 54,106.97, 81,168.12 and 16,670.07

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Solution

The fourth proportional to 54,106.97, 81,168.12 and 16,670.07 is: 25,007.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,106.97 : 81,168.12 = 16,670.07 : x
  2. Step 2: Convert to fraction form
    54,106.97/81,168.12 = 16,670.07/x
  3. Step 3: Cross multiply
    54,106.97x = 81,168.12 × 16,670.07
  4. Step 4: Simplify right side
    54,106.97x = 1,353,078,242.17
  5. Step 5: Solve for x
    x = 1,353,078,242.17/54,106.97
  6. Step 6: Final answer
    x = 25,007.47

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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.