Home / 55,173.40-82,760.10-43,363.60

Finding the Fourth Proportional to 55,173.40, 82,760.10 and 43,363.60

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Solution

The fourth proportional to 55,173.40, 82,760.10 and 43,363.60 is: 65,045.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,173.40 : 82,760.10 = 43,363.60 : x
  2. Step 2: Convert to fraction form
    55,173.40/82,760.10 = 43,363.60/x
  3. Step 3: Cross multiply
    55,173.40x = 82,760.10 × 43,363.60
  4. Step 4: Simplify right side
    55,173.40x = 3,588,775,872.36
  5. Step 5: Solve for x
    x = 3,588,775,872.36/55,173.40
  6. Step 6: Final answer
    x = 65,045.40

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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.