Home / 87,276.56-120,434.51-49,034.03

Finding the Fourth Proportional to 87,276.56, 120,434.51 and 49,034.03

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Solution

The fourth proportional to 87,276.56, 120,434.51 and 49,034.03 is: 67,662.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,276.56 : 120,434.51 = 49,034.03 : x
  2. Step 2: Convert to fraction form
    87,276.56/120,434.51 = 49,034.03/x
  3. Step 3: Cross multiply
    87,276.56x = 120,434.51 × 49,034.03
  4. Step 4: Simplify right side
    87,276.56x = 5,905,388,529.03
  5. Step 5: Solve for x
    x = 5,905,388,529.03/87,276.56
  6. Step 6: Final answer
    x = 67,662.94

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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.