Home / 121,836.03-182,580.78-57,725.83

Finding the Fourth Proportional to 121,836.03, 182,580.78 and 57,725.83

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Solution

The fourth proportional to 121,836.03, 182,580.78 and 57,725.83 is: 86,506.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    121,836.03 : 182,580.78 = 57,725.83 : x
  2. Step 2: Convert to fraction form
    121,836.03/182,580.78 = 57,725.83/x
  3. Step 3: Cross multiply
    121,836.03x = 182,580.78 × 57,725.83
  4. Step 4: Simplify right side
    121,836.03x = 10,539,627,067.55
  5. Step 5: Solve for x
    x = 10,539,627,067.55/121,836.03
  6. Step 6: Final answer
    x = 86,506.65

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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.