Home / 107,855.73-148,797.07-71,574.28

Finding the Fourth Proportional to 107,855.73, 148,797.07 and 71,574.28

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Solution

The fourth proportional to 107,855.73, 148,797.07 and 71,574.28 is: 98,743.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,855.73 : 148,797.07 = 71,574.28 : x
  2. Step 2: Convert to fraction form
    107,855.73/148,797.07 = 71,574.28/x
  3. Step 3: Cross multiply
    107,855.73x = 148,797.07 × 71,574.28
  4. Step 4: Simplify right side
    107,855.73x = 10,650,042,600.43
  5. Step 5: Solve for x
    x = 10,650,042,600.43/107,855.73
  6. Step 6: Final answer
    x = 98,743.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.