Home / 40,159.88-60,229.36-12,072.44

Finding the Fourth Proportional to 40,159.88, 60,229.36 and 12,072.44

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Solution

The fourth proportional to 40,159.88, 60,229.36 and 12,072.44 is: 18,105.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,159.88 : 60,229.36 = 12,072.44 : x
  2. Step 2: Convert to fraction form
    40,159.88/60,229.36 = 12,072.44/x
  3. Step 3: Cross multiply
    40,159.88x = 60,229.36 × 12,072.44
  4. Step 4: Simplify right side
    40,159.88x = 727,115,334.84
  5. Step 5: Solve for x
    x = 727,115,334.84/40,159.88
  6. Step 6: Final answer
    x = 18,105.52

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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.