Home / 82,578.09-113,925.71-58,414.58

Finding the Fourth Proportional to 82,578.09, 113,925.71 and 58,414.58

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Solution

The fourth proportional to 82,578.09, 113,925.71 and 58,414.58 is: 80,589.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,578.09 : 113,925.71 = 58,414.58 : x
  2. Step 2: Convert to fraction form
    82,578.09/113,925.71 = 58,414.58/x
  3. Step 3: Cross multiply
    82,578.09x = 113,925.71 × 58,414.58
  4. Step 4: Simplify right side
    82,578.09x = 6,654,922,077.26
  5. Step 5: Solve for x
    x = 6,654,922,077.26/82,578.09
  6. Step 6: Final answer
    x = 80,589.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.