Home / 106,421.43-146,862.66-58,676.49

Finding the Fourth Proportional to 106,421.43, 146,862.66 and 58,676.49

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Solution

The fourth proportional to 106,421.43, 146,862.66 and 58,676.49 is: 80,974.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,421.43 : 146,862.66 = 58,676.49 : x
  2. Step 2: Convert to fraction form
    106,421.43/146,862.66 = 58,676.49/x
  3. Step 3: Cross multiply
    106,421.43x = 146,862.66 × 58,676.49
  4. Step 4: Simplify right side
    106,421.43x = 8,617,385,400.86
  5. Step 5: Solve for x
    x = 8,617,385,400.86/106,421.43
  6. Step 6: Final answer
    x = 80,974.16

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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.