Home / 69,972.96-104,842.56-49,159.20

Finding the Fourth Proportional to 69,972.96, 104,842.56 and 49,159.20

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Solution

The fourth proportional to 69,972.96, 104,842.56 and 49,159.20 is: 73,656.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,972.96 : 104,842.56 = 49,159.20 : x
  2. Step 2: Convert to fraction form
    69,972.96/104,842.56 = 49,159.20/x
  3. Step 3: Cross multiply
    69,972.96x = 104,842.56 × 49,159.20
  4. Step 4: Simplify right side
    69,972.96x = 5,153,976,375.55
  5. Step 5: Solve for x
    x = 5,153,976,375.55/69,972.96
  6. Step 6: Final answer
    x = 73,656.69

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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.