Home / 79,087.73-109,141.04-43,277.72

Finding the Fourth Proportional to 79,087.73, 109,141.04 and 43,277.72

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Solution

The fourth proportional to 79,087.73, 109,141.04 and 43,277.72 is: 59,723.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,087.73 : 109,141.04 = 43,277.72 : x
  2. Step 2: Convert to fraction form
    79,087.73/109,141.04 = 43,277.72/x
  3. Step 3: Cross multiply
    79,087.73x = 109,141.04 × 43,277.72
  4. Step 4: Simplify right side
    79,087.73x = 4,723,375,750.68
  5. Step 5: Solve for x
    x = 4,723,375,750.68/79,087.73
  6. Step 6: Final answer
    x = 59,723.25

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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.