Home / 105,766.28-146,004.36-67,576.04

Finding the Fourth Proportional to 105,766.28, 146,004.36 and 67,576.04

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Solution

The fourth proportional to 105,766.28, 146,004.36 and 67,576.04 is: 93,284.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    105,766.28 : 146,004.36 = 67,576.04 : x
  2. Step 2: Convert to fraction form
    105,766.28/146,004.36 = 67,576.04/x
  3. Step 3: Cross multiply
    105,766.28x = 146,004.36 × 67,576.04
  4. Step 4: Simplify right side
    105,766.28x = 9,866,396,471.53
  5. Step 5: Solve for x
    x = 9,866,396,471.53/105,766.28
  6. Step 6: Final answer
    x = 93,284.90

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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.