Home / 73,219.26-109,703.48-39,962.64

Finding the Fourth Proportional to 73,219.26, 109,703.48 and 39,962.64

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Solution

The fourth proportional to 73,219.26, 109,703.48 and 39,962.64 is: 59,875.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,219.26 : 109,703.48 = 39,962.64 : x
  2. Step 2: Convert to fraction form
    73,219.26/109,703.48 = 39,962.64/x
  3. Step 3: Cross multiply
    73,219.26x = 109,703.48 × 39,962.64
  4. Step 4: Simplify right side
    73,219.26x = 4,384,040,677.99
  5. Step 5: Solve for x
    x = 4,384,040,677.99/73,219.26
  6. Step 6: Final answer
    x = 59,875.51

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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.