Home / 123,744.40-185,665.20-48,851.80

Finding the Fourth Proportional to 123,744.40, 185,665.20 and 48,851.80

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Solution

The fourth proportional to 123,744.40, 185,665.20 and 48,851.80 is: 73,296.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,744.40 : 185,665.20 = 48,851.80 : x
  2. Step 2: Convert to fraction form
    123,744.40/185,665.20 = 48,851.80/x
  3. Step 3: Cross multiply
    123,744.40x = 185,665.20 × 48,851.80
  4. Step 4: Simplify right side
    123,744.40x = 9,070,079,217.36
  5. Step 5: Solve for x
    x = 9,070,079,217.36/123,744.40
  6. Step 6: Final answer
    x = 73,296.89

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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.