Home / 43,930.76-66,216.95-40,190.72

Finding the Fourth Proportional to 43,930.76, 66,216.95 and 40,190.72

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Solution

The fourth proportional to 43,930.76, 66,216.95 and 40,190.72 is: 60,579.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,930.76 : 66,216.95 = 40,190.72 : x
  2. Step 2: Convert to fraction form
    43,930.76/66,216.95 = 40,190.72/x
  3. Step 3: Cross multiply
    43,930.76x = 66,216.95 × 40,190.72
  4. Step 4: Simplify right side
    43,930.76x = 2,661,306,896.70
  5. Step 5: Solve for x
    x = 2,661,306,896.70/43,930.76
  6. Step 6: Final answer
    x = 60,579.58

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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.