Home / 69,276.20-103,654.81-49,331.79

Finding the Fourth Proportional to 69,276.20, 103,654.81 and 49,331.79

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Solution

The fourth proportional to 69,276.20, 103,654.81 and 49,331.79 is: 73,812.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,276.20 : 103,654.81 = 49,331.79 : x
  2. Step 2: Convert to fraction form
    69,276.20/103,654.81 = 49,331.79/x
  3. Step 3: Cross multiply
    69,276.20x = 103,654.81 × 49,331.79
  4. Step 4: Simplify right side
    69,276.20x = 5,113,477,319.41
  5. Step 5: Solve for x
    x = 5,113,477,319.41/69,276.20
  6. Step 6: Final answer
    x = 73,812.90

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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.