Home / 98,124.60-135,414.44-55,107.53

Finding the Fourth Proportional to 98,124.60, 135,414.44 and 55,107.53

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Solution

The fourth proportional to 98,124.60, 135,414.44 and 55,107.53 is: 76,049.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,124.60 : 135,414.44 = 55,107.53 : x
  2. Step 2: Convert to fraction form
    98,124.60/135,414.44 = 55,107.53/x
  3. Step 3: Cross multiply
    98,124.60x = 135,414.44 × 55,107.53
  4. Step 4: Simplify right side
    98,124.60x = 7,462,354,362.12
  5. Step 5: Solve for x
    x = 7,462,354,362.12/98,124.60
  6. Step 6: Final answer
    x = 76,049.78

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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.