Home / 72,895.87-109,358.66-27,914.05

Finding the Fourth Proportional to 72,895.87, 109,358.66 and 27,914.05

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Solution

The fourth proportional to 72,895.87, 109,358.66 and 27,914.05 is: 41,876.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,895.87 : 109,358.66 = 27,914.05 : x
  2. Step 2: Convert to fraction form
    72,895.87/109,358.66 = 27,914.05/x
  3. Step 3: Cross multiply
    72,895.87x = 109,358.66 × 27,914.05
  4. Step 4: Simplify right side
    72,895.87x = 3,052,643,103.17
  5. Step 5: Solve for x
    x = 3,052,643,103.17/72,895.87
  6. Step 6: Final answer
    x = 41,876.76

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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.