Home / 96,426.20-144,639.30-68,432.60

Finding the Fourth Proportional to 96,426.20, 144,639.30 and 68,432.60

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Solution

The fourth proportional to 96,426.20, 144,639.30 and 68,432.60 is: 102,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,426.20 : 144,639.30 = 68,432.60 : x
  2. Step 2: Convert to fraction form
    96,426.20/144,639.30 = 68,432.60/x
  3. Step 3: Cross multiply
    96,426.20x = 144,639.30 × 68,432.60
  4. Step 4: Simplify right side
    96,426.20x = 9,898,043,361.18
  5. Step 5: Solve for x
    x = 9,898,043,361.18/96,426.20
  6. Step 6: Final answer
    x = 102,648.90

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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.