Home / 77,895.88-116,843.82-18,731.56

Finding the Fourth Proportional to 77,895.88, 116,843.82 and 18,731.56

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Solution

The fourth proportional to 77,895.88, 116,843.82 and 18,731.56 is: 28,097.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,895.88 : 116,843.82 = 18,731.56 : x
  2. Step 2: Convert to fraction form
    77,895.88/116,843.82 = 18,731.56/x
  3. Step 3: Cross multiply
    77,895.88x = 116,843.82 × 18,731.56
  4. Step 4: Simplify right side
    77,895.88x = 2,188,667,024.96
  5. Step 5: Solve for x
    x = 2,188,667,024.96/77,895.88
  6. Step 6: Final answer
    x = 28,097.34

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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.