Home / 105,971.26-146,240.22-58,224.49

Finding the Fourth Proportional to 105,971.26, 146,240.22 and 58,224.49

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Solution

The fourth proportional to 105,971.26, 146,240.22 and 58,224.49 is: 80,349.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,971.26 : 146,240.22 = 58,224.49 : x
  2. Step 2: Convert to fraction form
    105,971.26/146,240.22 = 58,224.49/x
  3. Step 3: Cross multiply
    105,971.26x = 146,240.22 × 58,224.49
  4. Step 4: Simplify right side
    105,971.26x = 8,514,762,226.99
  5. Step 5: Solve for x
    x = 8,514,762,226.99/105,971.26
  6. Step 6: Final answer
    x = 80,349.73

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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.