Home / 106,105.44-146,420.07-58,349.61

Finding the Fourth Proportional to 106,105.44, 146,420.07 and 58,349.61

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Solution

The fourth proportional to 106,105.44, 146,420.07 and 58,349.61 is: 80,519.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,105.44 : 146,420.07 = 58,349.61 : x
  2. Step 2: Convert to fraction form
    106,105.44/146,420.07 = 58,349.61/x
  3. Step 3: Cross multiply
    106,105.44x = 146,420.07 × 58,349.61
  4. Step 4: Simplify right side
    106,105.44x = 8,543,553,980.67
  5. Step 5: Solve for x
    x = 8,543,553,980.67/106,105.44
  6. Step 6: Final answer
    x = 80,519.47

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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.