Home / 72,211.28-108,226.71-49,846.46

Finding the Fourth Proportional to 72,211.28, 108,226.71 and 49,846.46

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Solution

The fourth proportional to 72,211.28, 108,226.71 and 49,846.46 is: 74,707.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,211.28 : 108,226.71 = 49,846.46 : x
  2. Step 2: Convert to fraction form
    72,211.28/108,226.71 = 49,846.46/x
  3. Step 3: Cross multiply
    72,211.28x = 108,226.71 × 49,846.46
  4. Step 4: Simplify right side
    72,211.28x = 5,394,717,829.81
  5. Step 5: Solve for x
    x = 5,394,717,829.81/72,211.28
  6. Step 6: Final answer
    x = 74,707.42

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.