Home / 102,734.28-154,113.71-43,562.25

Finding the Fourth Proportional to 102,734.28, 154,113.71 and 43,562.25

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Solution

The fourth proportional to 102,734.28, 154,113.71 and 43,562.25 is: 65,348.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,734.28 : 154,113.71 = 43,562.25 : x
  2. Step 2: Convert to fraction form
    102,734.28/154,113.71 = 43,562.25/x
  3. Step 3: Cross multiply
    102,734.28x = 154,113.71 × 43,562.25
  4. Step 4: Simplify right side
    102,734.28x = 6,713,539,745.64
  5. Step 5: Solve for x
    x = 6,713,539,745.64/102,734.28
  6. Step 6: Final answer
    x = 65,348.58

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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.