Home / 106,021.17-146,310.33-57,623.09

Finding the Fourth Proportional to 106,021.17, 146,310.33 and 57,623.09

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Solution

The fourth proportional to 106,021.17, 146,310.33 and 57,623.09 is: 79,520.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.17 : 146,310.33 = 57,623.09 : x
  2. Step 2: Convert to fraction form
    106,021.17/146,310.33 = 57,623.09/x
  3. Step 3: Cross multiply
    106,021.17x = 146,310.33 × 57,623.09
  4. Step 4: Simplify right side
    106,021.17x = 8,430,853,313.52
  5. Step 5: Solve for x
    x = 8,430,853,313.52/106,021.17
  6. Step 6: Final answer
    x = 79,520.47

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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.