Home / 69,276.69-103,764.67-42,541.54

Finding the Fourth Proportional to 69,276.69, 103,764.67 and 42,541.54

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Solution

The fourth proportional to 69,276.69, 103,764.67 and 42,541.54 is: 63,719.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,276.69 : 103,764.67 = 42,541.54 : x
  2. Step 2: Convert to fraction form
    69,276.69/103,764.67 = 42,541.54/x
  3. Step 3: Cross multiply
    69,276.69x = 103,764.67 × 42,541.54
  4. Step 4: Simplify right side
    69,276.69x = 4,414,308,493.63
  5. Step 5: Solve for x
    x = 4,414,308,493.63/69,276.69
  6. Step 6: Final answer
    x = 63,719.97

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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.