Home / 127,871.21-191,807.43-39,124.58

Finding the Fourth Proportional to 127,871.21, 191,807.43 and 39,124.58

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Solution

The fourth proportional to 127,871.21, 191,807.43 and 39,124.58 is: 58,687.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,871.21 : 191,807.43 = 39,124.58 : x
  2. Step 2: Convert to fraction form
    127,871.21/191,807.43 = 39,124.58/x
  3. Step 3: Cross multiply
    127,871.21x = 191,807.43 × 39,124.58
  4. Step 4: Simplify right side
    127,871.21x = 7,504,384,033.88
  5. Step 5: Solve for x
    x = 7,504,384,033.88/127,871.21
  6. Step 6: Final answer
    x = 58,687.05

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.