Home / 89,026.80-133,540.20-29,842.80

Finding the Fourth Proportional to 89,026.80, 133,540.20 and 29,842.80

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Solution

The fourth proportional to 89,026.80, 133,540.20 and 29,842.80 is: 44,764.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,026.80 : 133,540.20 = 29,842.80 : x
  2. Step 2: Convert to fraction form
    89,026.80/133,540.20 = 29,842.80/x
  3. Step 3: Cross multiply
    89,026.80x = 133,540.20 × 29,842.80
  4. Step 4: Simplify right side
    89,026.80x = 3,985,213,480.56
  5. Step 5: Solve for x
    x = 3,985,213,480.56/89,026.80
  6. Step 6: Final answer
    x = 44,764.20

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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.