Home / 48,516.33-72,774.49-13,455.99

Finding the Fourth Proportional to 48,516.33, 72,774.49 and 13,455.99

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Solution

The fourth proportional to 48,516.33, 72,774.49 and 13,455.99 is: 20,183.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,516.33 : 72,774.49 = 13,455.99 : x
  2. Step 2: Convert to fraction form
    48,516.33/72,774.49 = 13,455.99/x
  3. Step 3: Cross multiply
    48,516.33x = 72,774.49 × 13,455.99
  4. Step 4: Simplify right side
    48,516.33x = 979,252,776.06
  5. Step 5: Solve for x
    x = 979,252,776.06/48,516.33
  6. Step 6: Final answer
    x = 20,183.98

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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.