Home / 106,553.72-147,039.84-58,806.45

Finding the Fourth Proportional to 106,553.72, 147,039.84 and 58,806.45

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Solution

The fourth proportional to 106,553.72, 147,039.84 and 58,806.45 is: 81,150.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,553.72 : 147,039.84 = 58,806.45 : x
  2. Step 2: Convert to fraction form
    106,553.72/147,039.84 = 58,806.45/x
  3. Step 3: Cross multiply
    106,553.72x = 147,039.84 × 58,806.45
  4. Step 4: Simplify right side
    106,553.72x = 8,646,890,998.97
  5. Step 5: Solve for x
    x = 8,646,890,998.97/106,553.72
  6. Step 6: Final answer
    x = 81,150.53

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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.