Home / 111,743.03-167,503.83-52,472.60

Finding the Fourth Proportional to 111,743.03, 167,503.83 and 52,472.60

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Solution

The fourth proportional to 111,743.03, 167,503.83 and 52,472.60 is: 78,656.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,743.03 : 167,503.83 = 52,472.60 : x
  2. Step 2: Convert to fraction form
    111,743.03/167,503.83 = 52,472.60/x
  3. Step 3: Cross multiply
    111,743.03x = 167,503.83 × 52,472.60
  4. Step 4: Simplify right side
    111,743.03x = 8,789,361,470.06
  5. Step 5: Solve for x
    x = 8,789,361,470.06/111,743.03
  6. Step 6: Final answer
    x = 78,656.91

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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.