Home / 68,300.64-102,447.26-26,200.90

Finding the Fourth Proportional to 68,300.64, 102,447.26 and 26,200.90

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Solution

The fourth proportional to 68,300.64, 102,447.26 and 26,200.90 is: 39,299.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,300.64 : 102,447.26 = 26,200.90 : x
  2. Step 2: Convert to fraction form
    68,300.64/102,447.26 = 26,200.90/x
  3. Step 3: Cross multiply
    68,300.64x = 102,447.26 × 26,200.90
  4. Step 4: Simplify right side
    68,300.64x = 2,684,210,414.53
  5. Step 5: Solve for x
    x = 2,684,210,414.53/68,300.64
  6. Step 6: Final answer
    x = 39,299.93

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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.