Home / 68,342.40-102,283.20-62,812.80

Finding the Fourth Proportional to 68,342.40, 102,283.20 and 62,812.80

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Solution

The fourth proportional to 68,342.40, 102,283.20 and 62,812.80 is: 94,007.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,342.40 : 102,283.20 = 62,812.80 : x
  2. Step 2: Convert to fraction form
    68,342.40/102,283.20 = 62,812.80/x
  3. Step 3: Cross multiply
    68,342.40x = 102,283.20 × 62,812.80
  4. Step 4: Simplify right side
    68,342.40x = 6,424,694,184.96
  5. Step 5: Solve for x
    x = 6,424,694,184.96/68,342.40
  6. Step 6: Final answer
    x = 94,007.44

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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.