Home / 114,785.84-172,182.64-30,546.08

Finding the Fourth Proportional to 114,785.84, 172,182.64 and 30,546.08

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Solution

The fourth proportional to 114,785.84, 172,182.64 and 30,546.08 is: 45,820.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,785.84 : 172,182.64 = 30,546.08 : x
  2. Step 2: Convert to fraction form
    114,785.84/172,182.64 = 30,546.08/x
  3. Step 3: Cross multiply
    114,785.84x = 172,182.64 × 30,546.08
  4. Step 4: Simplify right side
    114,785.84x = 5,259,505,456.28
  5. Step 5: Solve for x
    x = 5,259,505,456.28/114,785.84
  6. Step 6: Final answer
    x = 45,820.16

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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.