Home / 54,343.08-74,930.31-50,980.50

Finding the Fourth Proportional to 54,343.08, 74,930.31 and 50,980.50

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Solution

The fourth proportional to 54,343.08, 74,930.31 and 50,980.50 is: 70,293.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.08 : 74,930.31 = 50,980.50 : x
  2. Step 2: Convert to fraction form
    54,343.08/74,930.31 = 50,980.50/x
  3. Step 3: Cross multiply
    54,343.08x = 74,930.31 × 50,980.50
  4. Step 4: Simplify right side
    54,343.08x = 3,819,984,668.96
  5. Step 5: Solve for x
    x = 3,819,984,668.96/54,343.08
  6. Step 6: Final answer
    x = 70,293.86

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.