Home / 92,834.26-128,177.85-57,072.22

Finding the Fourth Proportional to 92,834.26, 128,177.85 and 57,072.22

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Solution

The fourth proportional to 92,834.26, 128,177.85 and 57,072.22 is: 78,800.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,834.26 : 128,177.85 = 57,072.22 : x
  2. Step 2: Convert to fraction form
    92,834.26/128,177.85 = 57,072.22/x
  3. Step 3: Cross multiply
    92,834.26x = 128,177.85 × 57,072.22
  4. Step 4: Simplify right side
    92,834.26x = 7,315,394,454.33
  5. Step 5: Solve for x
    x = 7,315,394,454.33/92,834.26
  6. Step 6: Final answer
    x = 78,800.59

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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.