Home / 106,139.96-146,472.92-58,393.19

Finding the Fourth Proportional to 106,139.96, 146,472.92 and 58,393.19

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Solution

The fourth proportional to 106,139.96, 146,472.92 and 58,393.19 is: 80,582.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,139.96 : 146,472.92 = 58,393.19 : x
  2. Step 2: Convert to fraction form
    106,139.96/146,472.92 = 58,393.19/x
  3. Step 3: Cross multiply
    106,139.96x = 146,472.92 × 58,393.19
  4. Step 4: Simplify right side
    106,139.96x = 8,553,021,669.07
  5. Step 5: Solve for x
    x = 8,553,021,669.07/106,139.96
  6. Step 6: Final answer
    x = 80,582.49

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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.