Home / 45,711.09-68,569.67-17,631.43

Finding the Fourth Proportional to 45,711.09, 68,569.67 and 17,631.43

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Solution

The fourth proportional to 45,711.09, 68,569.67 and 17,631.43 is: 26,448.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,711.09 : 68,569.67 = 17,631.43 : x
  2. Step 2: Convert to fraction form
    45,711.09/68,569.67 = 17,631.43/x
  3. Step 3: Cross multiply
    45,711.09x = 68,569.67 × 17,631.43
  4. Step 4: Simplify right side
    45,711.09x = 1,208,981,336.73
  5. Step 5: Solve for x
    x = 1,208,981,336.73/45,711.09
  6. Step 6: Final answer
    x = 26,448.32

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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.