Home / 106,977.80-147,633.98-59,231.15

Finding the Fourth Proportional to 106,977.80, 147,633.98 and 59,231.15

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Solution

The fourth proportional to 106,977.80, 147,633.98 and 59,231.15 is: 81,741.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,977.80 : 147,633.98 = 59,231.15 : x
  2. Step 2: Convert to fraction form
    106,977.80/147,633.98 = 59,231.15/x
  3. Step 3: Cross multiply
    106,977.80x = 147,633.98 × 59,231.15
  4. Step 4: Simplify right side
    106,977.80x = 8,744,530,414.48
  5. Step 5: Solve for x
    x = 8,744,530,414.48/106,977.80
  6. Step 6: Final answer
    x = 81,741.54

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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.