Home / 117,540.84-176,323.56-38,661.21

Finding the Fourth Proportional to 117,540.84, 176,323.56 and 38,661.21

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Solution

The fourth proportional to 117,540.84, 176,323.56 and 38,661.21 is: 57,995.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,540.84 : 176,323.56 = 38,661.21 : x
  2. Step 2: Convert to fraction form
    117,540.84/176,323.56 = 38,661.21/x
  3. Step 3: Cross multiply
    117,540.84x = 176,323.56 × 38,661.21
  4. Step 4: Simplify right side
    117,540.84x = 6,816,882,181.11
  5. Step 5: Solve for x
    x = 6,816,882,181.11/117,540.84
  6. Step 6: Final answer
    x = 57,995.86

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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.