Home / 72,260.18-108,249.99-53,250.31

Finding the Fourth Proportional to 72,260.18, 108,249.99 and 53,250.31

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Solution

The fourth proportional to 72,260.18, 108,249.99 and 53,250.31 is: 79,772.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,260.18 : 108,249.99 = 53,250.31 : x
  2. Step 2: Convert to fraction form
    72,260.18/108,249.99 = 53,250.31/x
  3. Step 3: Cross multiply
    72,260.18x = 108,249.99 × 53,250.31
  4. Step 4: Simplify right side
    72,260.18x = 5,764,344,983.75
  5. Step 5: Solve for x
    x = 5,764,344,983.75/72,260.18
  6. Step 6: Final answer
    x = 79,772.08

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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.