Home / 68,646.20-102,839.70-35,252.60

Finding the Fourth Proportional to 68,646.20, 102,839.70 and 35,252.60

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Solution

The fourth proportional to 68,646.20, 102,839.70 and 35,252.60 is: 52,812.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,646.20 : 102,839.70 = 35,252.60 : x
  2. Step 2: Convert to fraction form
    68,646.20/102,839.70 = 35,252.60/x
  3. Step 3: Cross multiply
    68,646.20x = 102,839.70 × 35,252.60
  4. Step 4: Simplify right side
    68,646.20x = 3,625,366,808.22
  5. Step 5: Solve for x
    x = 3,625,366,808.22/68,646.20
  6. Step 6: Final answer
    x = 52,812.35

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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.