Home / 106,539.84-147,027.90-58,796.80

Finding the Fourth Proportional to 106,539.84, 147,027.90 and 58,796.80

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Solution

The fourth proportional to 106,539.84, 147,027.90 and 58,796.80 is: 81,141.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,539.84 : 147,027.90 = 58,796.80 : x
  2. Step 2: Convert to fraction form
    106,539.84/147,027.90 = 58,796.80/x
  3. Step 3: Cross multiply
    106,539.84x = 147,027.90 × 58,796.80
  4. Step 4: Simplify right side
    106,539.84x = 8,644,770,030.72
  5. Step 5: Solve for x
    x = 8,644,770,030.72/106,539.84
  6. Step 6: Final answer
    x = 81,141.20

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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.