Home / 70,908.46-106,399.74-45,942.02

Finding the Fourth Proportional to 70,908.46, 106,399.74 and 45,942.02

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Solution

The fourth proportional to 70,908.46, 106,399.74 and 45,942.02 is: 68,937.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,908.46 : 106,399.74 = 45,942.02 : x
  2. Step 2: Convert to fraction form
    70,908.46/106,399.74 = 45,942.02/x
  3. Step 3: Cross multiply
    70,908.46x = 106,399.74 × 45,942.02
  4. Step 4: Simplify right side
    70,908.46x = 4,888,218,983.07
  5. Step 5: Solve for x
    x = 4,888,218,983.07/70,908.46
  6. Step 6: Final answer
    x = 68,937.03

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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.