Home / 106,910.30-147,551.82-61,579.46

Finding the Fourth Proportional to 106,910.30, 147,551.82 and 61,579.46

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Solution

The fourth proportional to 106,910.30, 147,551.82 and 61,579.46 is: 84,988.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,910.30 : 147,551.82 = 61,579.46 : x
  2. Step 2: Convert to fraction form
    106,910.30/147,551.82 = 61,579.46/x
  3. Step 3: Cross multiply
    106,910.30x = 147,551.82 × 61,579.46
  4. Step 4: Simplify right side
    106,910.30x = 9,086,161,397.62
  5. Step 5: Solve for x
    x = 9,086,161,397.62/106,910.30
  6. Step 6: Final answer
    x = 84,988.64

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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.