Home / 87,278.68-130,619.94-53,984.44

Finding the Fourth Proportional to 87,278.68, 130,619.94 and 53,984.44

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Solution

The fourth proportional to 87,278.68, 130,619.94 and 53,984.44 is: 80,792.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,278.68 : 130,619.94 = 53,984.44 : x
  2. Step 2: Convert to fraction form
    87,278.68/130,619.94 = 53,984.44/x
  3. Step 3: Cross multiply
    87,278.68x = 130,619.94 × 53,984.44
  4. Step 4: Simplify right side
    87,278.68x = 7,051,444,313.73
  5. Step 5: Solve for x
    x = 7,051,444,313.73/87,278.68
  6. Step 6: Final answer
    x = 80,792.29

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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.