Home / 106,021.64-146,310.18-58,279.88

Finding the Fourth Proportional to 106,021.64, 146,310.18 and 58,279.88

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Solution

The fourth proportional to 106,021.64, 146,310.18 and 58,279.88 is: 80,426.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,021.64 : 146,310.18 = 58,279.88 : x
  2. Step 2: Convert to fraction form
    106,021.64/146,310.18 = 58,279.88/x
  3. Step 3: Cross multiply
    106,021.64x = 146,310.18 × 58,279.88
  4. Step 4: Simplify right side
    106,021.64x = 8,526,939,733.18
  5. Step 5: Solve for x
    x = 8,526,939,733.18/106,021.64
  6. Step 6: Final answer
    x = 80,426.41

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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.