Home / 49,917.12-74,812.80-43,662.24

Finding the Fourth Proportional to 49,917.12, 74,812.80 and 43,662.24

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Solution

The fourth proportional to 49,917.12, 74,812.80 and 43,662.24 is: 65,438.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,917.12 : 74,812.80 = 43,662.24 : x
  2. Step 2: Convert to fraction form
    49,917.12/74,812.80 = 43,662.24/x
  3. Step 3: Cross multiply
    49,917.12x = 74,812.80 × 43,662.24
  4. Step 4: Simplify right side
    49,917.12x = 3,266,494,428.67
  5. Step 5: Solve for x
    x = 3,266,494,428.67/49,917.12
  6. Step 6: Final answer
    x = 65,438.36

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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.