Home / 73,128.03-109,708.25-23,210.97

Finding the Fourth Proportional to 73,128.03, 109,708.25 and 23,210.97

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Solution

The fourth proportional to 73,128.03, 109,708.25 and 23,210.97 is: 34,821.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,128.03 : 109,708.25 = 23,210.97 : x
  2. Step 2: Convert to fraction form
    73,128.03/109,708.25 = 23,210.97/x
  3. Step 3: Cross multiply
    73,128.03x = 109,708.25 × 23,210.97
  4. Step 4: Simplify right side
    73,128.03x = 2,546,434,783.45
  5. Step 5: Solve for x
    x = 2,546,434,783.45/73,128.03
  6. Step 6: Final answer
    x = 34,821.60

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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.