Home / 124,580.37-186,759.45-45,676.20

Finding the Fourth Proportional to 124,580.37, 186,759.45 and 45,676.20

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Solution

The fourth proportional to 124,580.37, 186,759.45 and 45,676.20 is: 68,473.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,580.37 : 186,759.45 = 45,676.20 : x
  2. Step 2: Convert to fraction form
    124,580.37/186,759.45 = 45,676.20/x
  3. Step 3: Cross multiply
    124,580.37x = 186,759.45 × 45,676.20
  4. Step 4: Simplify right side
    124,580.37x = 8,530,461,990.09
  5. Step 5: Solve for x
    x = 8,530,461,990.09/124,580.37
  6. Step 6: Final answer
    x = 68,473.56

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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.