Home / 79,147.94-109,166.22-48,521.75

Finding the Fourth Proportional to 79,147.94, 109,166.22 and 48,521.75

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Solution

The fourth proportional to 79,147.94, 109,166.22 and 48,521.75 is: 66,924.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,147.94 : 109,166.22 = 48,521.75 : x
  2. Step 2: Convert to fraction form
    79,147.94/109,166.22 = 48,521.75/x
  3. Step 3: Cross multiply
    79,147.94x = 109,166.22 × 48,521.75
  4. Step 4: Simplify right side
    79,147.94x = 5,296,935,489.45
  5. Step 5: Solve for x
    x = 5,296,935,489.45/79,147.94
  6. Step 6: Final answer
    x = 66,924.49

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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.