Home / 68,340.90-102,511.35-62,217.30

Finding the Fourth Proportional to 68,340.90, 102,511.35 and 62,217.30

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Solution

The fourth proportional to 68,340.90, 102,511.35 and 62,217.30 is: 93,325.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,340.90 : 102,511.35 = 62,217.30 : x
  2. Step 2: Convert to fraction form
    68,340.90/102,511.35 = 62,217.30/x
  3. Step 3: Cross multiply
    68,340.90x = 102,511.35 × 62,217.30
  4. Step 4: Simplify right side
    68,340.90x = 6,377,979,416.36
  5. Step 5: Solve for x
    x = 6,377,979,416.36/68,340.90
  6. Step 6: Final answer
    x = 93,325.95

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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.