Home / 68,285.89-102,427.61-26,154.55

Finding the Fourth Proportional to 68,285.89, 102,427.61 and 26,154.55

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Solution

The fourth proportional to 68,285.89, 102,427.61 and 26,154.55 is: 39,231.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,285.89 : 102,427.61 = 26,154.55 : x
  2. Step 2: Convert to fraction form
    68,285.89/102,427.61 = 26,154.55/x
  3. Step 3: Cross multiply
    68,285.89x = 102,427.61 × 26,154.55
  4. Step 4: Simplify right side
    68,285.89x = 2,678,947,856.44
  5. Step 5: Solve for x
    x = 2,678,947,856.44/68,285.89
  6. Step 6: Final answer
    x = 39,231.35

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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.