Home / 106,502.05-146,972.82-58,755.40

Finding the Fourth Proportional to 106,502.05, 146,972.82 and 58,755.40

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Solution

The fourth proportional to 106,502.05, 146,972.82 and 58,755.40 is: 81,082.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,502.05 : 146,972.82 = 58,755.40 : x
  2. Step 2: Convert to fraction form
    106,502.05/146,972.82 = 58,755.40/x
  3. Step 3: Cross multiply
    106,502.05x = 146,972.82 × 58,755.40
  4. Step 4: Simplify right side
    106,502.05x = 8,635,446,460.80
  5. Step 5: Solve for x
    x = 8,635,446,460.80/106,502.05
  6. Step 6: Final answer
    x = 81,082.45

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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.