Home / 85,180.86-127,754.82-32,578.02

Finding the Fourth Proportional to 85,180.86, 127,754.82 and 32,578.02

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Solution

The fourth proportional to 85,180.86, 127,754.82 and 32,578.02 is: 48,860.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,180.86 : 127,754.82 = 32,578.02 : x
  2. Step 2: Convert to fraction form
    85,180.86/127,754.82 = 32,578.02/x
  3. Step 3: Cross multiply
    85,180.86x = 127,754.82 × 32,578.02
  4. Step 4: Simplify right side
    85,180.86x = 4,161,999,081.06
  5. Step 5: Solve for x
    x = 4,161,999,081.06/85,180.86
  6. Step 6: Final answer
    x = 48,860.73

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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.