Home / 85,078.16-127,625.96-32,531.84

Finding the Fourth Proportional to 85,078.16, 127,625.96 and 32,531.84

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Solution

The fourth proportional to 85,078.16, 127,625.96 and 32,531.84 is: 48,801.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,078.16 : 127,625.96 = 32,531.84 : x
  2. Step 2: Convert to fraction form
    85,078.16/127,625.96 = 32,531.84/x
  3. Step 3: Cross multiply
    85,078.16x = 127,625.96 × 32,531.84
  4. Step 4: Simplify right side
    85,078.16x = 4,151,907,310.57
  5. Step 5: Solve for x
    x = 4,151,907,310.57/85,078.16
  6. Step 6: Final answer
    x = 48,801.09

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1.5x scale

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.