Home / 68,614.86-94,690.20-38,399.94

Finding the Fourth Proportional to 68,614.86, 94,690.20 and 38,399.94

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Solution

The fourth proportional to 68,614.86, 94,690.20 and 38,399.94 is: 52,992.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,614.86 : 94,690.20 = 38,399.94 : x
  2. Step 2: Convert to fraction form
    68,614.86/94,690.20 = 38,399.94/x
  3. Step 3: Cross multiply
    68,614.86x = 94,690.20 × 38,399.94
  4. Step 4: Simplify right side
    68,614.86x = 3,636,097,998.59
  5. Step 5: Solve for x
    x = 3,636,097,998.59/68,614.86
  6. Step 6: Final answer
    x = 52,992.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.