Home / 73,926.75-102,018.92-40,392.75

Finding the Fourth Proportional to 73,926.75, 102,018.92 and 40,392.75

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Solution

The fourth proportional to 73,926.75, 102,018.92 and 40,392.75 is: 55,742.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,926.75 : 102,018.92 = 40,392.75 : x
  2. Step 2: Convert to fraction form
    73,926.75/102,018.92 = 40,392.75/x
  3. Step 3: Cross multiply
    73,926.75x = 102,018.92 × 40,392.75
  4. Step 4: Simplify right side
    73,926.75x = 4,120,824,528.87
  5. Step 5: Solve for x
    x = 4,120,824,528.87/73,926.75
  6. Step 6: Final answer
    x = 55,742.00

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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.