Home / 106,113.38-146,457.26-60,821.72

Finding the Fourth Proportional to 106,113.38, 146,457.26 and 60,821.72

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Solution

The fourth proportional to 106,113.38, 146,457.26 and 60,821.72 is: 83,945.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,113.38 : 146,457.26 = 60,821.72 : x
  2. Step 2: Convert to fraction form
    106,113.38/146,457.26 = 60,821.72/x
  3. Step 3: Cross multiply
    106,113.38x = 146,457.26 × 60,821.72
  4. Step 4: Simplify right side
    106,113.38x = 8,907,782,459.69
  5. Step 5: Solve for x
    x = 8,907,782,459.69/106,113.38
  6. Step 6: Final answer
    x = 83,945.89

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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.