Home / 68,818.08-94,914.17-56,860.66

Finding the Fourth Proportional to 68,818.08, 94,914.17 and 56,860.66

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Solution

The fourth proportional to 68,818.08, 94,914.17 and 56,860.66 is: 78,422.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,818.08 : 94,914.17 = 56,860.66 : x
  2. Step 2: Convert to fraction form
    68,818.08/94,914.17 = 56,860.66/x
  3. Step 3: Cross multiply
    68,818.08x = 94,914.17 × 56,860.66
  4. Step 4: Simplify right side
    68,818.08x = 5,396,882,050.21
  5. Step 5: Solve for x
    x = 5,396,882,050.21/68,818.08
  6. Step 6: Final answer
    x = 78,422.44

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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.