Home / 127,917.10-191,873.85-57,796.30

Finding the Fourth Proportional to 127,917.10, 191,873.85 and 57,796.30

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Solution

The fourth proportional to 127,917.10, 191,873.85 and 57,796.30 is: 86,693.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,917.10 : 191,873.85 = 57,796.30 : x
  2. Step 2: Convert to fraction form
    127,917.10/191,873.85 = 57,796.30/x
  3. Step 3: Cross multiply
    127,917.10x = 191,873.85 × 57,796.30
  4. Step 4: Simplify right side
    127,917.10x = 11,089,598,596.76
  5. Step 5: Solve for x
    x = 11,089,598,596.76/127,917.10
  6. Step 6: Final answer
    x = 86,693.64

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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.