Home / 49,761.81-74,631.08-14,222.15

Finding the Fourth Proportional to 49,761.81, 74,631.08 and 14,222.15

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Solution

The fourth proportional to 49,761.81, 74,631.08 and 14,222.15 is: 21,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,761.81 : 74,631.08 = 14,222.15 : x
  2. Step 2: Convert to fraction form
    49,761.81/74,631.08 = 14,222.15/x
  3. Step 3: Cross multiply
    49,761.81x = 74,631.08 × 14,222.15
  4. Step 4: Simplify right side
    49,761.81x = 1,061,414,356.69
  5. Step 5: Solve for x
    x = 1,061,414,356.69/49,761.81
  6. Step 6: Final answer
    x = 21,329.90

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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.