Home / 114,946.38-172,419.42-36,066.78

Finding the Fourth Proportional to 114,946.38, 172,419.42 and 36,066.78

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Solution

The fourth proportional to 114,946.38, 172,419.42 and 36,066.78 is: 54,100.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,946.38 : 172,419.42 = 36,066.78 : x
  2. Step 2: Convert to fraction form
    114,946.38/172,419.42 = 36,066.78/x
  3. Step 3: Cross multiply
    114,946.38x = 172,419.42 × 36,066.78
  4. Step 4: Simplify right side
    114,946.38x = 6,218,613,288.87
  5. Step 5: Solve for x
    x = 6,218,613,288.87/114,946.38
  6. Step 6: Final answer
    x = 54,100.12

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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.