Home / 83,072.88-124,561.44-56,809.44

Finding the Fourth Proportional to 83,072.88, 124,561.44 and 56,809.44

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Solution

The fourth proportional to 83,072.88, 124,561.44 and 56,809.44 is: 85,181.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,072.88 : 124,561.44 = 56,809.44 : x
  2. Step 2: Convert to fraction form
    83,072.88/124,561.44 = 56,809.44/x
  3. Step 3: Cross multiply
    83,072.88x = 124,561.44 × 56,809.44
  4. Step 4: Simplify right side
    83,072.88x = 7,076,265,651.99
  5. Step 5: Solve for x
    x = 7,076,265,651.99/83,072.88
  6. Step 6: Final answer
    x = 85,181.42

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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.