Home / 49,109.70-73,739.61-47,087.94

Finding the Fourth Proportional to 49,109.70, 73,739.61 and 47,087.94

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Solution

The fourth proportional to 49,109.70, 73,739.61 and 47,087.94 is: 70,703.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,109.70 : 73,739.61 = 47,087.94 : x
  2. Step 2: Convert to fraction form
    49,109.70/73,739.61 = 47,087.94/x
  3. Step 3: Cross multiply
    49,109.70x = 73,739.61 × 47,087.94
  4. Step 4: Simplify right side
    49,109.70x = 3,472,246,331.30
  5. Step 5: Solve for x
    x = 3,472,246,331.30/49,109.70
  6. Step 6: Final answer
    x = 70,703.88

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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.