Home / 45,179.55-62,208.60-40,135.02

Finding the Fourth Proportional to 45,179.55, 62,208.60 and 40,135.02

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Solution

The fourth proportional to 45,179.55, 62,208.60 and 40,135.02 is: 55,262.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,179.55 : 62,208.60 = 40,135.02 : x
  2. Step 2: Convert to fraction form
    45,179.55/62,208.60 = 40,135.02/x
  3. Step 3: Cross multiply
    45,179.55x = 62,208.60 × 40,135.02
  4. Step 4: Simplify right side
    45,179.55x = 2,496,743,405.17
  5. Step 5: Solve for x
    x = 2,496,743,405.17/45,179.55
  6. Step 6: Final answer
    x = 55,262.69

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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.