Home / 127,739.14-191,608.70-48,877.54

Finding the Fourth Proportional to 127,739.14, 191,608.70 and 48,877.54

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Solution

The fourth proportional to 127,739.14, 191,608.70 and 48,877.54 is: 73,316.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    127,739.14 : 191,608.70 = 48,877.54 : x
  2. Step 2: Convert to fraction form
    127,739.14/191,608.70 = 48,877.54/x
  3. Step 3: Cross multiply
    127,739.14x = 191,608.70 × 48,877.54
  4. Step 4: Simplify right side
    127,739.14x = 9,365,361,898.60
  5. Step 5: Solve for x
    x = 9,365,361,898.60/127,739.14
  6. Step 6: Final answer
    x = 73,316.31

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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.