Home / 68,531.40-102,772.80-24,159.60

Finding the Fourth Proportional to 68,531.40, 102,772.80 and 24,159.60

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Solution

The fourth proportional to 68,531.40, 102,772.80 and 24,159.60 is: 36,230.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,531.40 : 102,772.80 = 24,159.60 : x
  2. Step 2: Convert to fraction form
    68,531.40/102,772.80 = 24,159.60/x
  3. Step 3: Cross multiply
    68,531.40x = 102,772.80 × 24,159.60
  4. Step 4: Simplify right side
    68,531.40x = 2,482,949,738.88
  5. Step 5: Solve for x
    x = 2,482,949,738.88/68,531.40
  6. Step 6: Final answer
    x = 36,230.83

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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.