Home / 126,913.05-175,136.19-69,551.67

Finding the Fourth Proportional to 126,913.05, 175,136.19 and 69,551.67

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Solution

The fourth proportional to 126,913.05, 175,136.19 and 69,551.67 is: 95,979.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,913.05 : 175,136.19 = 69,551.67 : x
  2. Step 2: Convert to fraction form
    126,913.05/175,136.19 = 69,551.67/x
  3. Step 3: Cross multiply
    126,913.05x = 175,136.19 × 69,551.67
  4. Step 4: Simplify right side
    126,913.05x = 12,181,014,491.94
  5. Step 5: Solve for x
    x = 12,181,014,491.94/126,913.05
  6. Step 6: Final answer
    x = 95,979.21

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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.