Home / 68,344.20-102,516.30-55,878.30

Finding the Fourth Proportional to 68,344.20, 102,516.30 and 55,878.30

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Solution

The fourth proportional to 68,344.20, 102,516.30 and 55,878.30 is: 83,817.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,344.20 : 102,516.30 = 55,878.30 : x
  2. Step 2: Convert to fraction form
    68,344.20/102,516.30 = 55,878.30/x
  3. Step 3: Cross multiply
    68,344.20x = 102,516.30 × 55,878.30
  4. Step 4: Simplify right side
    68,344.20x = 5,728,436,566.29
  5. Step 5: Solve for x
    x = 5,728,436,566.29/68,344.20
  6. Step 6: Final answer
    x = 83,817.45

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1.5x scale

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.