Home / 49,793.10-74,687.85-20,210.10

Finding the Fourth Proportional to 49,793.10, 74,687.85 and 20,210.10

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Solution

The fourth proportional to 49,793.10, 74,687.85 and 20,210.10 is: 30,314.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,793.10 : 74,687.85 = 20,210.10 : x
  2. Step 2: Convert to fraction form
    49,793.10/74,687.85 = 20,210.10/x
  3. Step 3: Cross multiply
    49,793.10x = 74,687.85 × 20,210.10
  4. Step 4: Simplify right side
    49,793.10x = 1,509,448,917.29
  5. Step 5: Solve for x
    x = 1,509,448,917.29/49,793.10
  6. Step 6: Final answer
    x = 30,314.42

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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.