Home / 106,428.48-146,872.29-58,683.54

Finding the Fourth Proportional to 106,428.48, 146,872.29 and 58,683.54

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Solution

The fourth proportional to 106,428.48, 146,872.29 and 58,683.54 is: 80,983.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,428.48 : 146,872.29 = 58,683.54 : x
  2. Step 2: Convert to fraction form
    106,428.48/146,872.29 = 58,683.54/x
  3. Step 3: Cross multiply
    106,428.48x = 146,872.29 × 58,683.54
  4. Step 4: Simplify right side
    106,428.48x = 8,618,985,905.11
  5. Step 5: Solve for x
    x = 8,618,985,905.11/106,428.48
  6. Step 6: Final answer
    x = 80,983.83

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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.