Home / 77,191.46-115,788.08-27,236.48

Finding the Fourth Proportional to 77,191.46, 115,788.08 and 27,236.48

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Solution

The fourth proportional to 77,191.46, 115,788.08 and 27,236.48 is: 40,855.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,191.46 : 115,788.08 = 27,236.48 : x
  2. Step 2: Convert to fraction form
    77,191.46/115,788.08 = 27,236.48/x
  3. Step 3: Cross multiply
    77,191.46x = 115,788.08 × 27,236.48
  4. Step 4: Simplify right side
    77,191.46x = 3,153,659,725.16
  5. Step 5: Solve for x
    x = 3,153,659,725.16/77,191.46
  6. Step 6: Final answer
    x = 40,855.03

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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.