Home / 106,021.14-146,309.49-58,279.38

Finding the Fourth Proportional to 106,021.14, 146,309.49 and 58,279.38

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Solution

The fourth proportional to 106,021.14, 146,309.49 and 58,279.38 is: 80,425.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.14 : 146,309.49 = 58,279.38 : x
  2. Step 2: Convert to fraction form
    106,021.14/146,309.49 = 58,279.38/x
  3. Step 3: Cross multiply
    106,021.14x = 146,309.49 × 58,279.38
  4. Step 4: Simplify right side
    106,021.14x = 8,526,826,365.32
  5. Step 5: Solve for x
    x = 8,526,826,365.32/106,021.14
  6. Step 6: Final answer
    x = 80,425.72

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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.