Home / 124,481.04-186,663.16-45,540.06

Finding the Fourth Proportional to 124,481.04, 186,663.16 and 45,540.06

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Solution

The fourth proportional to 124,481.04, 186,663.16 and 45,540.06 is: 68,288.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,481.04 : 186,663.16 = 45,540.06 : x
  2. Step 2: Convert to fraction form
    124,481.04/186,663.16 = 45,540.06/x
  3. Step 3: Cross multiply
    124,481.04x = 186,663.16 × 45,540.06
  4. Step 4: Simplify right side
    124,481.04x = 8,500,651,506.19
  5. Step 5: Solve for x
    x = 8,500,651,506.19/124,481.04
  6. Step 6: Final answer
    x = 68,288.72

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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.