Home / 117,849.53-162,636.04-66,864.40

Finding the Fourth Proportional to 117,849.53, 162,636.04 and 66,864.40

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Solution

The fourth proportional to 117,849.53, 162,636.04 and 66,864.40 is: 92,274.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,849.53 : 162,636.04 = 66,864.40 : x
  2. Step 2: Convert to fraction form
    117,849.53/162,636.04 = 66,864.40/x
  3. Step 3: Cross multiply
    117,849.53x = 162,636.04 × 66,864.40
  4. Step 4: Simplify right side
    117,849.53x = 10,874,561,448.68
  5. Step 5: Solve for x
    x = 10,874,561,448.68/117,849.53
  6. Step 6: Final answer
    x = 92,274.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.