Home / 127,777.96-191,676.21-51,840.04

Finding the Fourth Proportional to 127,777.96, 191,676.21 and 51,840.04

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Solution

The fourth proportional to 127,777.96, 191,676.21 and 51,840.04 is: 77,763.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,777.96 : 191,676.21 = 51,840.04 : x
  2. Step 2: Convert to fraction form
    127,777.96/191,676.21 = 51,840.04/x
  3. Step 3: Cross multiply
    127,777.96x = 191,676.21 × 51,840.04
  4. Step 4: Simplify right side
    127,777.96x = 9,936,502,393.45
  5. Step 5: Solve for x
    x = 9,936,502,393.45/127,777.96
  6. Step 6: Final answer
    x = 77,763.82

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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.