Home / 68,893.42-103,326.50-18,960.62

Finding the Fourth Proportional to 68,893.42, 103,326.50 and 18,960.62

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Solution

The fourth proportional to 68,893.42, 103,326.50 and 18,960.62 is: 28,437.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,893.42 : 103,326.50 = 18,960.62 : x
  2. Step 2: Convert to fraction form
    68,893.42/103,326.50 = 18,960.62/x
  3. Step 3: Cross multiply
    68,893.42x = 103,326.50 × 18,960.62
  4. Step 4: Simplify right side
    68,893.42x = 1,959,134,502.43
  5. Step 5: Solve for x
    x = 1,959,134,502.43/68,893.42
  6. Step 6: Final answer
    x = 28,437.18

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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.