Home / 69,984.96-104,860.56-49,171.20

Finding the Fourth Proportional to 69,984.96, 104,860.56 and 49,171.20

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Solution

The fourth proportional to 69,984.96, 104,860.56 and 49,171.20 is: 73,674.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,984.96 : 104,860.56 = 49,171.20 : x
  2. Step 2: Convert to fraction form
    69,984.96/104,860.56 = 49,171.20/x
  3. Step 3: Cross multiply
    69,984.96x = 104,860.56 × 49,171.20
  4. Step 4: Simplify right side
    69,984.96x = 5,156,119,567.87
  5. Step 5: Solve for x
    x = 5,156,119,567.87/69,984.96
  6. Step 6: Final answer
    x = 73,674.68

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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.