Home / 92,171.38-127,128.60-69,511.33

Finding the Fourth Proportional to 92,171.38, 127,128.60 and 69,511.33

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Solution

The fourth proportional to 92,171.38, 127,128.60 and 69,511.33 is: 95,874.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,171.38 : 127,128.60 = 69,511.33 : x
  2. Step 2: Convert to fraction form
    92,171.38/127,128.60 = 69,511.33/x
  3. Step 3: Cross multiply
    92,171.38x = 127,128.60 × 69,511.33
  4. Step 4: Simplify right side
    92,171.38x = 8,836,877,083.84
  5. Step 5: Solve for x
    x = 8,836,877,083.84/92,171.38
  6. Step 6: Final answer
    x = 95,874.41

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1.5x scale

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.