Home / 44,112.39-66,171.14-12,519.99

Finding the Fourth Proportional to 44,112.39, 66,171.14 and 12,519.99

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Solution

The fourth proportional to 44,112.39, 66,171.14 and 12,519.99 is: 18,780.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    44,112.39 : 66,171.14 = 12,519.99 : x
  2. Step 2: Convert to fraction form
    44,112.39/66,171.14 = 12,519.99/x
  3. Step 3: Cross multiply
    44,112.39x = 66,171.14 × 12,519.99
  4. Step 4: Simplify right side
    44,112.39x = 828,461,948.49
  5. Step 5: Solve for x
    x = 828,461,948.49/44,112.39
  6. Step 6: Final answer
    x = 18,780.71

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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.