Home / 67,057.86-100,623.60-40,781.04

Finding the Fourth Proportional to 67,057.86, 100,623.60 and 40,781.04

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Solution

The fourth proportional to 67,057.86, 100,623.60 and 40,781.04 is: 61,193.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,057.86 : 100,623.60 = 40,781.04 : x
  2. Step 2: Convert to fraction form
    67,057.86/100,623.60 = 40,781.04/x
  3. Step 3: Cross multiply
    67,057.86x = 100,623.60 × 40,781.04
  4. Step 4: Simplify right side
    67,057.86x = 4,103,535,056.54
  5. Step 5: Solve for x
    x = 4,103,535,056.54/67,057.86
  6. Step 6: Final answer
    x = 61,193.95

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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.