Home / 124,640.41-186,954.39-45,748.45

Finding the Fourth Proportional to 124,640.41, 186,954.39 and 45,748.45

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Solution

The fourth proportional to 124,640.41, 186,954.39 and 45,748.45 is: 68,620.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,640.41 : 186,954.39 = 45,748.45 : x
  2. Step 2: Convert to fraction form
    124,640.41/186,954.39 = 45,748.45/x
  3. Step 3: Cross multiply
    124,640.41x = 186,954.39 × 45,748.45
  4. Step 4: Simplify right side
    124,640.41x = 8,552,873,563.20
  5. Step 5: Solve for x
    x = 8,552,873,563.20/124,640.41
  6. Step 6: Final answer
    x = 68,620.39

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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.