Home / 53,851.50-80,781.23-16,414.78

Finding the Fourth Proportional to 53,851.50, 80,781.23 and 16,414.78

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Solution

The fourth proportional to 53,851.50, 80,781.23 and 16,414.78 is: 24,623.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,851.50 : 80,781.23 = 16,414.78 : x
  2. Step 2: Convert to fraction form
    53,851.50/80,781.23 = 16,414.78/x
  3. Step 3: Cross multiply
    53,851.50x = 80,781.23 × 16,414.78
  4. Step 4: Simplify right side
    53,851.50x = 1,326,006,118.58
  5. Step 5: Solve for x
    x = 1,326,006,118.58/53,851.50
  6. Step 6: Final answer
    x = 24,623.38

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1.5x scale

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.