Home / 43,929.76-66,215.44-40,189.72

Finding the Fourth Proportional to 43,929.76, 66,215.44 and 40,189.72

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Solution

The fourth proportional to 43,929.76, 66,215.44 and 40,189.72 is: 60,578.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,929.76 : 66,215.44 = 40,189.72 : x
  2. Step 2: Convert to fraction form
    43,929.76/66,215.44 = 40,189.72/x
  3. Step 3: Cross multiply
    43,929.76x = 66,215.44 × 40,189.72
  4. Step 4: Simplify right side
    43,929.76x = 2,661,179,993.28
  5. Step 5: Solve for x
    x = 2,661,179,993.28/43,929.76
  6. Step 6: Final answer
    x = 60,578.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.