Home / 68,340.86-94,226.60-56,198.91

Finding the Fourth Proportional to 68,340.86, 94,226.60 and 56,198.91

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Solution

The fourth proportional to 68,340.86, 94,226.60 and 56,198.91 is: 77,485.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,340.86 : 94,226.60 = 56,198.91 : x
  2. Step 2: Convert to fraction form
    68,340.86/94,226.60 = 56,198.91/x
  3. Step 3: Cross multiply
    68,340.86x = 94,226.60 × 56,198.91
  4. Step 4: Simplify right side
    68,340.86x = 5,295,432,589.07
  5. Step 5: Solve for x
    x = 5,295,432,589.07/68,340.86
  6. Step 6: Final answer
    x = 77,485.60

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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.