Home / 126,739.14-174,938.92-73,059.98

Finding the Fourth Proportional to 126,739.14, 174,938.92 and 73,059.98

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Solution

The fourth proportional to 126,739.14, 174,938.92 and 73,059.98 is: 100,845.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,739.14 : 174,938.92 = 73,059.98 : x
  2. Step 2: Convert to fraction form
    126,739.14/174,938.92 = 73,059.98/x
  3. Step 3: Cross multiply
    126,739.14x = 174,938.92 × 73,059.98
  4. Step 4: Simplify right side
    126,739.14x = 12,781,033,996.42
  5. Step 5: Solve for x
    x = 12,781,033,996.42/126,739.14
  6. Step 6: Final answer
    x = 100,845.20

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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.