Home / 55,141.32-82,665.72-45,755.04

Finding the Fourth Proportional to 55,141.32, 82,665.72 and 45,755.04

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Solution

The fourth proportional to 55,141.32, 82,665.72 and 45,755.04 is: 68,594.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,141.32 : 82,665.72 = 45,755.04 : x
  2. Step 2: Convert to fraction form
    55,141.32/82,665.72 = 45,755.04/x
  3. Step 3: Cross multiply
    55,141.32x = 82,665.72 × 45,755.04
  4. Step 4: Simplify right side
    55,141.32x = 3,782,373,325.23
  5. Step 5: Solve for x
    x = 3,782,373,325.23/55,141.32
  6. Step 6: Final answer
    x = 68,594.17

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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.