Home / 117,540.09-176,322.43-38,660.46

Finding the Fourth Proportional to 117,540.09, 176,322.43 and 38,660.46

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Solution

The fourth proportional to 117,540.09, 176,322.43 and 38,660.46 is: 57,994.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,540.09 : 176,322.43 = 38,660.46 : x
  2. Step 2: Convert to fraction form
    117,540.09/176,322.43 = 38,660.46/x
  3. Step 3: Cross multiply
    117,540.09x = 176,322.43 × 38,660.46
  4. Step 4: Simplify right side
    117,540.09x = 6,816,706,252.12
  5. Step 5: Solve for x
    x = 6,816,706,252.12/117,540.09
  6. Step 6: Final answer
    x = 57,994.73

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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.