Home / 106,420.66-146,861.51-58,675.72

Finding the Fourth Proportional to 106,420.66, 146,861.51 and 58,675.72

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Solution

The fourth proportional to 106,420.66, 146,861.51 and 58,675.72 is: 80,973.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,420.66 : 146,861.51 = 58,675.72 : x
  2. Step 2: Convert to fraction form
    106,420.66/146,861.51 = 58,675.72/x
  3. Step 3: Cross multiply
    106,420.66x = 146,861.51 × 58,675.72
  4. Step 4: Simplify right side
    106,420.66x = 8,617,204,839.54
  5. Step 5: Solve for x
    x = 8,617,204,839.54/106,420.66
  6. Step 6: Final answer
    x = 80,973.04

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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.