Home / 74,124.32-102,287.51-43,912.43

Finding the Fourth Proportional to 74,124.32, 102,287.51 and 43,912.43

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Solution

The fourth proportional to 74,124.32, 102,287.51 and 43,912.43 is: 60,596.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,124.32 : 102,287.51 = 43,912.43 : x
  2. Step 2: Convert to fraction form
    74,124.32/102,287.51 = 43,912.43/x
  3. Step 3: Cross multiply
    74,124.32x = 102,287.51 × 43,912.43
  4. Step 4: Simplify right side
    74,124.32x = 4,491,692,940.00
  5. Step 5: Solve for x
    x = 4,491,692,940.00/74,124.32
  6. Step 6: Final answer
    x = 60,596.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.