Home / 77,011.38-115,553.79-41,950.26

Finding the Fourth Proportional to 77,011.38, 115,553.79 and 41,950.26

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Solution

The fourth proportional to 77,011.38, 115,553.79 and 41,950.26 is: 62,945.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,011.38 : 115,553.79 = 41,950.26 : x
  2. Step 2: Convert to fraction form
    77,011.38/115,553.79 = 41,950.26/x
  3. Step 3: Cross multiply
    77,011.38x = 115,553.79 × 41,950.26
  4. Step 4: Simplify right side
    77,011.38x = 4,847,511,534.49
  5. Step 5: Solve for x
    x = 4,847,511,534.49/77,011.38
  6. Step 6: Final answer
    x = 62,945.39

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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.