Home / 77,191.38-106,544.13-43,676.82

Finding the Fourth Proportional to 77,191.38, 106,544.13 and 43,676.82

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Solution

The fourth proportional to 77,191.38, 106,544.13 and 43,676.82 is: 60,285.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,191.38 : 106,544.13 = 43,676.82 : x
  2. Step 2: Convert to fraction form
    77,191.38/106,544.13 = 43,676.82/x
  3. Step 3: Cross multiply
    77,191.38x = 106,544.13 × 43,676.82
  4. Step 4: Simplify right side
    77,191.38x = 4,653,508,788.07
  5. Step 5: Solve for x
    x = 4,653,508,788.07/77,191.38
  6. Step 6: Final answer
    x = 60,285.34

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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.