Home / 126,729.96-174,926.31-73,050.87

Finding the Fourth Proportional to 126,729.96, 174,926.31 and 73,050.87

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Solution

The fourth proportional to 126,729.96, 174,926.31 and 73,050.87 is: 100,832.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,729.96 : 174,926.31 = 73,050.87 : x
  2. Step 2: Convert to fraction form
    126,729.96/174,926.31 = 73,050.87/x
  3. Step 3: Cross multiply
    126,729.96x = 174,926.31 × 73,050.87
  4. Step 4: Simplify right side
    126,729.96x = 12,778,519,131.39
  5. Step 5: Solve for x
    x = 12,778,519,131.39/126,729.96
  6. Step 6: Final answer
    x = 100,832.66

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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.