Home / 55,571.10-83,363.91-18,118.02

Finding the Fourth Proportional to 55,571.10, 83,363.91 and 18,118.02

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Solution

The fourth proportional to 55,571.10, 83,363.91 and 18,118.02 is: 27,179.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,571.10 : 83,363.91 = 18,118.02 : x
  2. Step 2: Convert to fraction form
    55,571.10/83,363.91 = 18,118.02/x
  3. Step 3: Cross multiply
    55,571.10x = 83,363.91 × 18,118.02
  4. Step 4: Simplify right side
    55,571.10x = 1,510,388,988.66
  5. Step 5: Solve for x
    x = 1,510,388,988.66/55,571.10
  6. Step 6: Final answer
    x = 27,179.40

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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.