Home / 98,729.73-148,003.73-53,685.27

Finding the Fourth Proportional to 98,729.73, 148,003.73 and 53,685.27

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Solution

The fourth proportional to 98,729.73, 148,003.73 and 53,685.27 is: 80,478.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,729.73 : 148,003.73 = 53,685.27 : x
  2. Step 2: Convert to fraction form
    98,729.73/148,003.73 = 53,685.27/x
  3. Step 3: Cross multiply
    98,729.73x = 148,003.73 × 53,685.27
  4. Step 4: Simplify right side
    98,729.73x = 7,945,620,895.28
  5. Step 5: Solve for x
    x = 7,945,620,895.28/98,729.73
  6. Step 6: Final answer
    x = 80,478.51

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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.