Home / 126,743.58-174,903.44-69,381.41

Finding the Fourth Proportional to 126,743.58, 174,903.44 and 69,381.41

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Solution

The fourth proportional to 126,743.58, 174,903.44 and 69,381.41 is: 95,744.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,743.58 : 174,903.44 = 69,381.41 : x
  2. Step 2: Convert to fraction form
    126,743.58/174,903.44 = 69,381.41/x
  3. Step 3: Cross multiply
    126,743.58x = 174,903.44 × 69,381.41
  4. Step 4: Simplify right side
    126,743.58x = 12,135,046,059.63
  5. Step 5: Solve for x
    x = 12,135,046,059.63/126,743.58
  6. Step 6: Final answer
    x = 95,744.86

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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.