Home / 85,126.06-127,684.22-32,540.86

Finding the Fourth Proportional to 85,126.06, 127,684.22 and 32,540.86

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Solution

The fourth proportional to 85,126.06, 127,684.22 and 32,540.86 is: 48,809.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,126.06 : 127,684.22 = 32,540.86 : x
  2. Step 2: Convert to fraction form
    85,126.06/127,684.22 = 32,540.86/x
  3. Step 3: Cross multiply
    85,126.06x = 127,684.22 × 32,540.86
  4. Step 4: Simplify right side
    85,126.06x = 4,154,954,327.23
  5. Step 5: Solve for x
    x = 4,154,954,327.23/85,126.06
  6. Step 6: Final answer
    x = 48,809.43

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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.